diff --git a/src/greeter.c b/src/greeter.c
index 8d02115..98077de 100644
--- a/src/greeter.c
+++ b/src/greeter.c
@@ -202,7 +202,8 @@ load_script(char *script) {
 
 
 static void
-page_loaded_handler(void) {
+greeter_loaded_handler(void) {
+	load_script("/com/antergos/lightdm-webkit2-greeter/js/GreeterConfig.js");
 	load_script("/com/antergos/lightdm-webkit2-greeter/js/ThemeUtils.js");
 	load_script("/com/antergos/lightdm-webkit2-greeter/js/ThemeHeartbeat.js");
 }
@@ -243,8 +244,8 @@ message_received_cb(WebKitUserContentManager *manager,
 		printf("Error running javascript: unexpected return value");
 	}
 
-	if (strcmp(message_str, "PageLoaded") == 0) {
-		page_loaded_handler();
+	if (strcmp(message_str, "GreeterLoaded") == 0) {
+		greeter_loaded_handler();
 
 	} else if (strcmp(message_str, "LockHint") == 0) {
 		lock_hint_enabled_handler();
diff --git a/src/gresource/js/ThemeUtils.js b/src/gresource/js/ThemeUtils.js
index f579a98..438c202 100644
--- a/src/gresource/js/ThemeUtils.js
+++ b/src/gresource/js/ThemeUtils.js
@@ -65,8 +65,6 @@ class ThemeUtils  {
 			}
 		}
 	}
-
-	static
 }
 
 window.theme_utils = __ThemeUtils;
diff --git a/src/webkit2-extension.c b/src/webkit2-extension.c
index d6e182d..da579f3 100644
--- a/src/webkit2-extension.c
+++ b/src/webkit2-extension.c
@@ -1587,7 +1587,7 @@ window_object_cleared_callback(WebKitScriptWorld *world,
 				globalObject;
 
 	gchar *lock_hint_message = "LockHint";
-	gchar *page_loaded_message = "PageLoaded";
+	gchar *greeter_loaded_message = "GreeterLoaded";
 
 	jsContext = webkit_frame_get_javascript_context_for_script_world(frame, world);
 	globalObject = JSContextGetGlobalObject(jsContext);
@@ -1622,7 +1622,7 @@ window_object_cleared_callback(WebKitScriptWorld *world,
 						globalObject,
 						JSStringCreateWithUTF8CString("__GreeterConfig"),
 						greeter_config_object,
-						kJSPropertyAttributeDontEnum,
+						kJSPropertyAttributeDontEnum | kJSPropertyAttributeReadOnly,
 						NULL);
 
 	theme_utils_object = JSObjectMake(jsContext, theme_utils_class, NULL);
@@ -1630,7 +1630,7 @@ window_object_cleared_callback(WebKitScriptWorld *world,
 						globalObject,
 						JSStringCreateWithUTF8CString("__ThemeUtils"),
 						theme_utils_object,
-						kJSPropertyAttributeDontEnum,
+						kJSPropertyAttributeDontEnum | kJSPropertyAttributeReadOnly,
 						NULL);
 
 	dom_document = webkit_web_page_get_dom_document(web_page);
@@ -1639,7 +1639,7 @@ window_object_cleared_callback(WebKitScriptWorld *world,
 	if (dom_window) {
 		/* Notify the UI process that the greeter is loaded */
 		webkit_dom_dom_window_webkit_message_handlers_post_message(
-			dom_window, "GreeterBridge", page_loaded_message
+			dom_window, "GreeterBridge", greeter_loaded_message
 		);
 
 		/* If the greeter was started as a lock-screen, notify our UI process. */