diff --git a/src/sysdep.c b/src/sysdep.c
index c4f9991af45..dc70bb8fb7c 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -6729,8 +6729,7 @@ opendir (const char *dirname)
 int
 closedir (DIR *dp)
 {
-  free (dp);
-
+  xfree (dp);
   return 0;
 }