diff --git a/scrutiny/projects/management/commands/checkout.py b/scrutiny/projects/management/commands/checkout.py
index 47bdd7b..2303b24 100644
--- a/scrutiny/projects/management/commands/checkout.py
+++ b/scrutiny/projects/management/commands/checkout.py
@@ -28,7 +28,7 @@ class Command(BaseCommand):
                 cwd = checkouts_directory
             else:
                 # pull
-                cmd = ['git', 'pull']
+                cmd = ['git', 'pull', '--ff-only']
                 cwd = checkout_dir
 
             if self.verbose: