diff --git a/cv6/a_station.c b/cv6/a_station.c
index 6339ef3..4223919 100644
--- a/cv6/a_station.c
+++ b/cv6/a_station.c
@@ -27,13 +27,14 @@ void destroy_station(struct station* station){
 }
 
 int select_track(struct station* station, const char* target){
-    unsigned char *str;
+  unsigned long
+    hash(unsigned char *str)
     {
-        unsigned long hash = 0;
+        unsigned long hash = 5381;
         int c;
 
         while (c = *str++)
-            hash = c + (hash << 6) + (hash << 16) - hash;
+            hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
 
         return hash;
     }