Index: channels/internet_radio.py
==================================================================
--- channels/internet_radio.py
+++ channels/internet_radio.py
@@ -57,11 +57,11 @@
         html = http.get(self.homepage)
         rx = re.compile("""="/stations/[-+&.\w\s%]+/">([^<]+)<""")
         cats = rx.findall(html)
         cats = list(set(cats))
         cats = [s.capitalize() for s in cats]
-        self.categories = sorted(cats)
+        self.categories = sorted(list(set(cats)))
 
 
     # fetch station lists
     def update_streams(self, cat):