diff --git a/plugins/sphinx/class/sphinx_make.py b/plugins/sphinx/class/sphinx_make.py
index 07cb63e2a..3ca3657da 100644
--- a/plugins/sphinx/class/sphinx_make.py
+++ b/plugins/sphinx/class/sphinx_make.py
@@ -382,6 +382,7 @@ index {$DB_NAME}_{$TABLE_NAME}
 
 	def makeSqlToSphinxAll(self):
 	    filter_db = ['information_schema','performance_schema','sys','mysql']
+	    filter_db.append(self.delta)
 
 	    dblist = self.pdb.query('show databases')