diff --git a/bsmain/management/commands/prestart.py b/bsmain/management/commands/prestart.py
index c83062e..0b6cc4a 100644
--- a/bsmain/management/commands/prestart.py
+++ b/bsmain/management/commands/prestart.py
@@ -12,16 +12,24 @@ User = get_user_model()
 class Command(BaseCommand):
     help = "Pre-start command to run before the server starts."
 
+    def _create_superuser_if_needed(self):
+        if not os.getenv("CREATE_SUPERUSER", ""):
+            return
+
+        if ":" not in os.getenv("CREATE_SUPERUSER"):
+            raise ValueError("CREATE_SUPERUSER should be in the format 'username:password'")
+
+        username, password = os.getenv("CREATE_SUPERUSER").split(":")
+
+        if User.objects.all().exists():
+            print("Superuser not created: user(s) already exist.")
+            return
+
+        User.objects.create_superuser(username=username, password=password)
+        print(f"Superuser created: {username}")
+
     def handle(self, *args, **options):
-        if os.getenv("CREATE_SUPERUSER", ""):
-            if ":" not in os.getenv("CREATE_SUPERUSER"):
-                raise ValueError("CREATE_SUPERUSER should be in the format 'username:password'")
-
-            username, password = os.getenv("CREATE_SUPERUSER").split(":")
-
-            if not User.objects.filter(username=username).exists():
-                User.objects.create_superuser(username=username, password=password)
-                print(f"Superuser created: {username}")
+        self._create_superuser_if_needed()
 
         # Similar considerations apply here as those which are documented in bugsink.views._phone_home().
         # By putting this in prestart, we add one more location to the list of kick-off locations; with the added