diff --git a/cv5/a_train.c b/cv5/a_train.c
index ef92ddc..ceb0ce9 100644
--- a/cv5/a_train.c
+++ b/cv5/a_train.c
@@ -43,12 +43,12 @@ void cancel_train(struct car* first) {
     if(first == NULL){
         return;
     }
-    if(first->next == NULL){
-       free(first);
+    if(first->next != NULL){
+       cancel_train(first->next);
+       first->next = NULL;
     }
-    else if(first->next != NULL){    
-        cancel_train(first->next);
-        first->next = NULL;
+    if(first->next == NULL){
+        free(first);
     }
 
 }