diff --git a/src/core/execute.c b/src/core/execute.c
index 3cd63846b50..73531210556 100644
--- a/src/core/execute.c
+++ b/src/core/execute.c
@@ -2716,7 +2716,7 @@ static int load_cred_recurse_dir_cb(
                 void *userdata) {
 
         _cleanup_free_ char *credname = NULL, *sub_id = NULL;
-        struct load_cred_args *args = userdata;
+        struct load_cred_args *args = ASSERT_PTR(userdata);
         int r;
 
         if (event != RECURSE_DIR_ENTRY)