diff --git a/cronjobs.txt b/cronjobs.txt
index 1a1c5e0..1fee5a9 100644
--- a/cronjobs.txt
+++ b/cronjobs.txt
@@ -8,3 +8,4 @@ ROOT=/home/matalok/auth/auth
 0	*/6	*	*	*	$ROOT/run-cron.py eve_api.cron AllianceUpdate > $ROOT/logs/alliance-update.log 2>&1
 @daily                                  $ROOT/run-cron.py eve_proxy.cron ClearStaleCache > $ROOT/logs/cache-clear.log 2>&1
 @daily					$ROOT/run-cron.py sso.cron UpdateServicegroups > $ROOT/logs/servicegroup-update.log 2>&1
+0       1	*       *       5       $ROOT/run-cron.py eve_api.cron CorporationUpdate > $ROOT/logs/corporation-update.log 2>&1
diff --git a/eve_api/cron.py b/eve_api/cron.py
index 4e8df20..4392c2c 100644
--- a/eve_api/cron.py
+++ b/eve_api/cron.py
@@ -101,6 +101,6 @@ class CorporationUpdate():
             return self.__logger
 
         def job(self, args):
-            for corp in EVEPlayerCorporation.objects.filter(eveplayercharacter__in=EVEPlayerCharacter.objects.all()):
+            for corp in set(EVEPlayerCorporation.objects.filter(eveplayercharacter__in=EVEPlayerCharacter.objects.all())):
                 print corp
                 corp.query_and_update_corp()