diff --git a/src/lightdm-webkit2-greeter-ext.c b/src/lightdm-webkit2-greeter-ext.c
index 03f2280..52e57d0 100644
--- a/src/lightdm-webkit2-greeter-ext.c
+++ b/src/lightdm-webkit2-greeter-ext.c
@@ -1420,7 +1420,7 @@ window_object_cleared_callback(WebKitScriptWorld *world,
 
 	greeter_util_object = JSObjectMake(jsContext, greeter_util_class, NULL);
 
-	JSObjectSetProperty(context,
+	JSObjectSetProperty(jsContext,
 						globalObject,
 						JSStringCreateWithUTF8CString("greeterutil"),
 						greeter_util_object,