diff --git a/issue/signals.py b/issue/signals.py
index b791005..e6c9c0d 100644
--- a/issue/signals.py
+++ b/issue/signals.py
@@ -6,8 +6,10 @@ from issue.models import Project, Label
 
 @receiver(post_save, sender=Project, dispatch_uid="Default project labels.")
 def create_default_project_labels(sender, **kwargs):
-    if kwargs['created']:
-        project = kwargs['instance']
+    if not kwargs['created']:
+        return
+    project = kwargs['instance']
+    if not project.labels.exists():
         Label(project=project, name='bug', color='#FF0000').save()
         Label(project=project, name='feature', color='#00A000').save()
         Label(project=project, name='documentation', color='#1D3DBE').save()