diff --git a/cv5/a_train.c b/cv5/a_train.c
index da1eac7..33ff985 100644
--- a/cv5/a_train.c
+++ b/cv5/a_train.c
@@ -19,7 +19,7 @@ struct car* add_car(struct car* first,const char* target) {
     if(this==NULL){
         return newcar;
     }
-    else(this->!=NULL){
+    else(this->next!=NULL){
             this=this->next;
             this->next = newcar;
     }