diff --git a/src/bin/pg_combinebackup/.gitignore b/src/bin/pg_combinebackup/.gitignore
index d7e617438c4..f860b25dd99 100644
--- a/src/bin/pg_combinebackup/.gitignore
+++ b/src/bin/pg_combinebackup/.gitignore
@@ -1 +1,3 @@
 pg_combinebackup
+
+/tmp_check/