diff --git a/mayan/apps/installation/__init__.py b/mayan/apps/installation/__init__.py
index b6a8ea634c..56ff6fe18f 100644
--- a/mayan/apps/installation/__init__.py
+++ b/mayan/apps/installation/__init__.py
@@ -15,9 +15,10 @@ from .links import link_menu_link, link_namespace_details, link_namespace_list
 from .models import Installation
 
 
-@receiver(post_migrate, dispatch_uid='trigger_first_time', sender=Installation)
-def trigger_first_time(sender, **kwargs):
-    Installation.objects.get_or_create()
+@receiver(post_migrate, dispatch_uid='create_installation_instance')
+def create_installation_instance(sender, **kwargs):
+    if kwargs['app'] == 'installation':
+        Installation.objects.get_or_create()
 
 
 def check_first_run():
diff --git a/mayan/apps/ocr/__init__.py b/mayan/apps/ocr/__init__.py
index 5aab8e5b23..bb40657c05 100644
--- a/mayan/apps/ocr/__init__.py
+++ b/mayan/apps/ocr/__init__.py
@@ -57,9 +57,10 @@ def document_post_save(sender, instance, **kwargs):
                 pass
 
 
-@receiver(post_migrate, dispatch_uid='create_default_queue', sender=DocumentQueue)
+@receiver(post_migrate, dispatch_uid='create_default_queue')
 def create_default_queue_signal_handler(sender, **kwargs):
-    default_queue, created = DocumentQueue.objects.get_or_create(name='default')
+    if kwargs['app'] == 'ocr':
+        DocumentQueue.objects.get_or_create(name='default')
 
 
 def reset_queue_documents():
diff --git a/mayan/apps/registration/__init__.py b/mayan/apps/registration/__init__.py
index be63407d06..94f968d177 100644
--- a/mayan/apps/registration/__init__.py
+++ b/mayan/apps/registration/__init__.py
@@ -12,6 +12,7 @@ from .models import RegistrationSingleton
 register_links(['form_view', 'about_view', 'license_view'], [form_view], menu_name='secondary_menu')
 
 
-@receiver(post_migrate, dispatch_uid='trigger_first_time', sender=RegistrationSingleton)
-def trigger_first_time(sender, **kwargs):
-    RegistrationSingleton.objects.get_or_create()
+@receiver(post_migrate, dispatch_uid='create_registration_instance')
+def create_registration_instance(sender, **kwargs):
+    if kwargs['app'] == 'registration':
+        RegistrationSingleton.objects.get_or_create()