diff --git a/jsonrpc/__init__.py b/jsonrpc/__init__.py
index b4d8e2a..963f9b3 100644
--- a/jsonrpc/__init__.py
+++ b/jsonrpc/__init__.py
@@ -156,6 +156,8 @@ class JSONRPC:
 
         try:
             if method.handler is None:
+                pass
+            else:
                 method.handler(
                     query,
                     method.function