diff --git a/MacPass/MPAutotypeCandidateSelectionViewController.h b/MacPass/MPAutotypeCandidateSelectionViewController.h
index b44ec565..f76c390e 100644
--- a/MacPass/MPAutotypeCandidateSelectionViewController.h
+++ b/MacPass/MPAutotypeCandidateSelectionViewController.h
@@ -5,6 +5,20 @@
 //  Created by Michael Starke on 26.10.17.
 //  Copyright © 2017 HicknHack Software GmbH. All rights reserved.
 //
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
 
 #import <Cocoa/Cocoa.h>
 
diff --git a/MacPass/MPAutotypeCandidateSelectionViewController.m b/MacPass/MPAutotypeCandidateSelectionViewController.m
index 3987e61b..1b61a224 100644
--- a/MacPass/MPAutotypeCandidateSelectionViewController.m
+++ b/MacPass/MPAutotypeCandidateSelectionViewController.m
@@ -5,7 +5,20 @@
 //  Created by Michael Starke on 26.10.17.
 //  Copyright © 2017 HicknHack Software GmbH. All rights reserved.
 //
-
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
 #import "MPAutotypeCandidateSelectionViewController.h"
 #import "MPAutotypeContext.h"
 #import "MPAutotypeDaemon.h"
diff --git a/MacPass/MPCollectionViewItem.h b/MacPass/MPCollectionViewItem.h
index e04015db..c6d57a74 100644
--- a/MacPass/MPCollectionViewItem.h
+++ b/MacPass/MPCollectionViewItem.h
@@ -5,6 +5,20 @@
 //  Created by Michael Starke on 15.09.17.
 //  Copyright © 2017 HicknHack Software GmbH. All rights reserved.
 //
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
 
 #import <Cocoa/Cocoa.h>
 
diff --git a/MacPass/MPCollectionViewItem.m b/MacPass/MPCollectionViewItem.m
index 070b18eb..1afe9236 100644
--- a/MacPass/MPCollectionViewItem.m
+++ b/MacPass/MPCollectionViewItem.m
@@ -5,6 +5,20 @@
 //  Created by Michael Starke on 15.09.17.
 //  Copyright © 2017 HicknHack Software GmbH. All rights reserved.
 //
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
 
 #import "MPCollectionViewItem.h"
 #import "MPIconSelectViewController.h"
diff --git a/MacPass/MPPickcharViewController.h b/MacPass/MPPickcharViewController.h
index 15cd19db..d08b0336 100644
--- a/MacPass/MPPickcharViewController.h
+++ b/MacPass/MPPickcharViewController.h
@@ -5,6 +5,20 @@
 //  Created by Michael Starke on 23.11.17.
 //  Copyright © 2017 HicknHack Software GmbH. All rights reserved.
 //
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
 
 #import <Cocoa/Cocoa.h>
 NS_ASSUME_NONNULL_BEGIN
diff --git a/MacPass/MPPickcharViewController.m b/MacPass/MPPickcharViewController.m
index 94b382ee..0dd00ff4 100644
--- a/MacPass/MPPickcharViewController.m
+++ b/MacPass/MPPickcharViewController.m
@@ -5,6 +5,20 @@
 //  Created by Michael Starke on 23.11.17.
 //  Copyright © 2017 HicknHack Software GmbH. All rights reserved.
 //
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
 
 #import "MPPickcharViewController.h"
 #import "NSString+MPComposedCharacterAdditions.h"
diff --git a/MacPass/MPPickfieldViewController.h b/MacPass/MPPickfieldViewController.h
index 77232d09..eb77c66c 100644
--- a/MacPass/MPPickfieldViewController.h
+++ b/MacPass/MPPickfieldViewController.h
@@ -5,6 +5,20 @@
 //  Created by Michael Starke on 28.11.17.
 //  Copyright © 2017 HicknHack Software GmbH. All rights reserved.
 //
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
 
 #import <Cocoa/Cocoa.h>
 
diff --git a/MacPass/MPPickfieldViewController.m b/MacPass/MPPickfieldViewController.m
index 5c463d6c..be9bd877 100644
--- a/MacPass/MPPickfieldViewController.m
+++ b/MacPass/MPPickfieldViewController.m
@@ -5,6 +5,20 @@
 //  Created by Michael Starke on 28.11.17.
 //  Copyright © 2017 HicknHack Software GmbH. All rights reserved.
 //
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
 
 #import "MPPickfieldViewController.h"
 #import "MPPickfieldTableModel.h"
diff --git a/MacPass/MPTitlebarColorAccessoryViewController.h b/MacPass/MPTitlebarColorAccessoryViewController.h
index 22b51ff0..f6b37223 100644
--- a/MacPass/MPTitlebarColorAccessoryViewController.h
+++ b/MacPass/MPTitlebarColorAccessoryViewController.h
@@ -5,6 +5,20 @@
 //  Created by Michael Starke on 17.10.17.
 //  Copyright © 2017 HicknHack Software GmbH. All rights reserved.
 //
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
 
 #import <Cocoa/Cocoa.h>
 
diff --git a/MacPass/MPTitlebarColorAccessoryViewController.m b/MacPass/MPTitlebarColorAccessoryViewController.m
index af14b5ca..a27ae012 100644
--- a/MacPass/MPTitlebarColorAccessoryViewController.m
+++ b/MacPass/MPTitlebarColorAccessoryViewController.m
@@ -5,6 +5,20 @@
 //  Created by Michael Starke on 17.10.17.
 //  Copyright © 2017 HicknHack Software GmbH. All rights reserved.
 //
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
 
 #import "MPTitlebarColorAccessoryViewController.h"