diff --git a/TODO b/TODO
index e7d7e0c87..b7d332455 100644
--- a/TODO
+++ b/TODO
@@ -3,6 +3,7 @@ TODO list:
   - add external triggerable hooks support
   - include more triggers
   - output tools differential print
+  - use packages.db.bz2 instead of packages.db.gz?
 
 Project Status:
 - reagent: complete. Stabilization mode.
diff --git a/libraries/databaseTools.py b/libraries/databaseTools.py
index 8f88b5811..ac4e2edd5 100644
--- a/libraries/databaseTools.py
+++ b/libraries/databaseTools.py
@@ -638,7 +638,7 @@ class etpDatabase:
 	
 	# caching dictionaries
 	
-	if self.xcache:
+	if (self.xcache) and (dbname != 'etpdb'):
 	    ''' database query cache '''
 	    broken1 = False
 	    dbinfo = dbCacheStore.get(etpCache['dbInfo']+self.dbname)