diff --git a/plugins/data_query/sql_mysql.py b/plugins/data_query/sql_mysql.py
index 62e453df4..7e7d01af2 100755
--- a/plugins/data_query/sql_mysql.py
+++ b/plugins/data_query/sql_mysql.py
@@ -44,7 +44,7 @@ class nosqlMySQL():
 
     def conn(self):
 
-        if self.__sid is not:
+        if self.__sid is None:
             return False
 
         if self.__sid is not None: