diff --git a/du4/a_train.c b/du4/a_train.c
index a748883..310c3d1 100644
--- a/du4/a_train.c
+++ b/du4/a_train.c
@@ -58,7 +58,7 @@ struct car* clear_train(struct car* first, const char* target) {
        first = first->next;
        first->next = NULL;
        free(temp);
-       return NULL;
+       return first;
 
     }
     struct car* temp = first;