diff --git a/imaginaerraum_door_admin/__init__.py b/imaginaerraum_door_admin/__init__.py
index 78ea8d5..a31631a 100644
--- a/imaginaerraum_door_admin/__init__.py
+++ b/imaginaerraum_door_admin/__init__.py
@@ -28,7 +28,7 @@ def create_super_admins(app, user_datastore):
         # afterwards
         admin_data = admin_file.read_text().split('\n')
         for i, line in enumerate(admin_data):
-            if not line.strip().startswith('#'):
+            if len(line.strip()) > 0 and not line.strip().startswith('#'):
                 try:
                     user, email, pw = line.split()
                     validate_email(email)