diff --git a/du5/a_station.c b/du5/a_station.c
index caaba3b..6e4929c 100644
--- a/du5/a_station.c
+++ b/du5/a_station.c
@@ -60,8 +60,14 @@ void add_target_capacity(struct station* station,const char* target, int capacit
     struct car* next = (struct car*)calloc(1, sizeof(struct car));
     strcpy(next->value, target);
     next->capacity = capacity;
-     ptr->next = next;
-     return;
+    if(ptr){
+    ptr->next = next;
+     return;}
+     else{
+        *station->tracks = next;
+        return;
+    }
+
 
    }
    int new_cap = ptr->capacity + capacity;