diff --git a/src/test/modules/test_ddl_deparse/.gitignore b/src/test/modules/test_ddl_deparse/.gitignore
index 3337b3d2944..5dcb3ff9723 100644
--- a/src/test/modules/test_ddl_deparse/.gitignore
+++ b/src/test/modules/test_ddl_deparse/.gitignore
@@ -1,2 +1,4 @@
+# Generated subdirectories
 /log/
 /results/
+/tmp_check/