diff --git a/MacPass/MPPlugin.h b/MacPass/MPPlugin.h
index 996d0b40..77fd1ac9 100644
--- a/MacPass/MPPlugin.h
+++ b/MacPass/MPPlugin.h
@@ -29,6 +29,8 @@ NS_ASSUME_NONNULL_BEGIN
 @class KPKAttribute;
 @class KPKTree;
 
+FOUNDATION_EXPORT NSString *const MPPluginUnkownVersion;
+
 @interface MPPlugin : NSObject
 
 @property (copy, readonly) NSString *identifier;
@@ -36,7 +38,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property (copy, readonly) NSString *version;
 @property (nonatomic, strong, readonly) NSBundle *bundle;
 
-
 /**
  If your plugin needs initalization override this method but you have to call [super initWithPluginHost:]
  Otherwise your plugin might not get registered correctly
diff --git a/MacPass/MPPlugin.m b/MacPass/MPPlugin.m
index 889f2ce5..34516877 100644
--- a/MacPass/MPPlugin.m
+++ b/MacPass/MPPlugin.m
@@ -26,6 +26,8 @@
 #import "MPSettingsHelper.h"
 #import "MPPluginConstants.h"
 
+NSString *const MPPluginUnkownVersion = @"unkown.plugin.version";
+
 @implementation MPPlugin
 
 @synthesize bundle = _bundle;
@@ -80,7 +82,7 @@
       return version;
     }
   }
-  return @"unknown.version";
+  return MPPluginUnkownVersion;
 }