diff --git a/loopy/target/execution.py b/loopy/target/execution.py
index 40105662adcbbc975e0f2c743f770aeef183e454..d5d8959dff00fae93c8bbfdb094eb6382b9a6614 100644
--- a/loopy/target/execution.py
+++ b/loopy/target/execution.py
@@ -601,7 +601,7 @@ class ExecutionWrapperGeneratorBase(object):
                     "%s=None" % idi.name
                     for idi in implemented_data_info
                     if issubclass(idi.arg_class, KernelArgument)
-                    ] + ['**kw_args'])
+                    ] + ['**kwargs'])
 
         gen.add_to_preamble("from __future__ import division")
         gen.add_to_preamble("")