Index: channels/exportcat.py
==================================================================
--- channels/exportcat.py
+++ channels/exportcat.py
@@ -1,10 +1,10 @@
 # encoding: UTF-8
 # api: streamtuner2
 # title: Export Category
 # description: Exports a complete channel category (all stations into one file).
-# version: 0.2
+# version: 0.3
 # type: feature
 # category: file
 # priority: optional
 # -disabled-config:
 #   { name: export_format, value: xspf, type: select, select: "pls|xspf|m3u|jspf|smil|asx|json", description: Default export format. }
@@ -48,11 +48,12 @@
     # Fetch streams from category, show "Save as" dialog, then convert URLs and export as playlist file
     def savewindow(self, *w):
         cn = self.parent.channel()
         source = cn.listformat
         streams = cn.streams[cn.current]
-        fn = uikit.save_file("Export category", None, "%s.%s.%s" % (cn.module, cn.current, "xspf"))
+        category = re.sub(r"[^\w&-+]+", "_", cn.current)
+        fn = uikit.save_file("Export category", None, "%s.%s.%s" % (cn.module, category, "xspf"))
         log.PROC("Exporting category to", fn)
         if fn:
             dest = re.findall("\.(m3u|pls|xspf|jspf|json|smil|asx|desktop|url)8?$", fn.lower())
             if dest:
                 dest = dest[0]