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--- a/Allura/allura/lib/custom_middleware.py
+++ b/Allura/allura/lib/custom_middleware.py
@@ -186,5 +186,5 @@
 
     def before_logging(self, stat_record):
         if c.app and c.app.config:
-            stat_record.add('request_category', c.app.config.tool_name)
+            stat_record.add('request_category', c.app.config.tool_name.lower())
         return stat_record