diff --git a/cv4/a_train.c b/cv4/a_train.c
index 53f3c94..5fdfd7e 100644
--- a/cv4/a_train.c
+++ b/cv4/a_train.c
@@ -43,9 +43,10 @@ void cancel_train(struct car* first){
 
     while(next != NULL){
         next = temp->next;
-        free(temp);
+        
         temp = next;
     }
+    free(temp);
 
     first = NULL;
 }
@@ -60,11 +61,12 @@ struct car* clear_train(struct car* first, const char* target){
     while(temp != NULL){
         next = temp->next;
         if(!strcmp(temp->value, target))
-            free(temp);
+            
         temp = next;
         if(!first)
             first = temp;
     }
+    free(temp);
 
     return first;
 }
\ No newline at end of file