diff --git a/xwords4/relay/scripts/.gitignore b/xwords4/relay/scripts/.gitignore
index 528f569c1..b44634e52 100644
--- a/xwords4/relay/scripts/.gitignore
+++ b/xwords4/relay/scripts/.gitignore
@@ -1,3 +1,4 @@
 gcm.py
 gcm.pyc
 mykey.py*
+gcm_loop.pyc