Index: channels/__init__.py
==================================================================
--- channels/__init__.py
+++ channels/__init__.py
@@ -323,10 +323,11 @@
         # called to early
         if not category:
             log.ERR("load(None)")
             return
         self.current = category
+        do_save = False
 
         # get data from cache or download
         if force or not category in self.streams:
             log.PROC("load", "update_streams")
             self.status("Updating streams...")
@@ -338,22 +339,20 @@
   
             # Postprocess new list of streams (e.g. assert existing title and url)
             if new_streams:
                 try:
                     new_streams = self.postprocess(new_streams)
+                    do_save = True
                 except Exception as e:
                     log.ERR("Updating new streams, postprocessing failed:", e)
   
                 # don't lose forgotten streams
                 if conf.retain_deleted:
                    self.streams[category] = new_streams + self.deleted_streams(new_streams, self.streams.get(category,[]))
                 else:
                    self.streams[category] = new_streams
   
-                # save in cache
-                self.save()
-  
             else:
                 # parse error
                 self.status("Category parsed empty.")
                 self.streams[category] = self.nothing_found
                 log.INFO("Oooops, parser returned nothing for category " + category)
@@ -363,10 +362,14 @@
             log.UI("load() → uikit.columns({}.streams[{}])".format(self.module, category), [inspect.stack()[x][3] for x in range(1,5)])
             uikit.do(self.columns, self.prepare(self.streams[category]))
             if y:
                 uikit.do(self.gtk_list.scroll_to_point, 0, y + 1)   # scroll to previous position, +1 px, because
                 # somehow Gtk.TreeView else stumbles over itself when scrolling to the same position the 2nd time
+  
+        # save in cache
+        if do_save:
+            self.save()
 
         # unset statusbar
         self.status()