diff --git a/m4/.gitignore b/m4/.gitignore
index 9ae0bd63..f50f0c48 100644
--- a/m4/.gitignore
+++ b/m4/.gitignore
@@ -183,3 +183,4 @@
 /sys_time_h.m4
 /sys_times_h.m4
 /times.m4
+/sh-filename.m4