diff --git a/cv5/a_train.c b/cv5/a_train.c
index a4318f1..5941132 100644
--- a/cv5/a_train.c
+++ b/cv5/a_train.c
@@ -43,8 +43,8 @@ void cancel_train(struct car* first) {
         return;
     }
     if(first->next != NULL){
-       cancel_train(first->next);
        first->next = NULL;
+       cancel_train(first->next);
     }
     else if(first->next == NULL){
         free(first);