diff --git a/procps/smemcap.c b/procps/smemcap.c
index f951a5fb6..196c91f54 100644
--- a/procps/smemcap.c
+++ b/procps/smemcap.c
@@ -125,5 +125,8 @@ int smemcap_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
 		}
 	}
 
+	if (ENABLE_FEATURE_CLEAN_UP)
+		closedir(d);
+
 	return EXIT_SUCCESS;
 }