diff --git a/cv6/a_station.c b/cv6/a_station.c
index f56d75b..b4eb7c2 100644
--- a/cv6/a_station.c
+++ b/cv6/a_station.c
@@ -40,7 +40,7 @@ void add_target_capacity(struct station* station, const char* target, int capaci
     {
         if (strcmp(p->value, target) == 0)
         {            
-            p->capacity = capacity;
+             p->capacity += capacity;
             return;
         }
         p = p->next;