diff --git a/xwords4/relay/.gitignore b/xwords4/relay/.gitignore
new file mode 100644
index 000000000..b9a92b63a
--- /dev/null
+++ b/xwords4/relay/.gitignore
@@ -0,0 +1,4 @@
+*.o
+xwrelay.log
+xwrelay.pid
+xwrelay