diff --git a/WebKitBrowser/Extension/main.cpp b/WebKitBrowser/Extension/main.cpp
index 0e17fd05..4be2a49c 100644
--- a/WebKitBrowser/Extension/main.cpp
+++ b/WebKitBrowser/Extension/main.cpp
@@ -193,6 +193,8 @@ static class PluginHost {
                 G_CALLBACK(didStartProvisionalLoadForFrame), nullptr);
 #endif
     }
+
+PUSH_WARNING(DISABLE_WARNING_DEPRECATED_USE)
     static void consoleMessageSentCallback(VARIABLE_IS_NOT_USED WebKitWebPage* page, WebKitConsoleMessage* message, PluginHost* host)
     {
         string messageString = Core::ToString(webkit_console_message_get_text(message));
@@ -200,6 +202,8 @@ static class PluginHost {
 
         TRACE_GLOBAL(BrowserConsoleLog, (host->_consoleLogPrefix, messageString, line, 0));
     }
+POP_WARNING()
+
     static gboolean userMessageReceivedCallback(WebKitWebPage* page, WebKitUserMessage* message)
     {
         const char* name = webkit_user_message_get_name(message);
diff --git a/WebKitBrowser/WebKitImplementation.cpp b/WebKitBrowser/WebKitImplementation.cpp
index 638676cd..9c52d1ab 100644
--- a/WebKitBrowser/WebKitImplementation.cpp
+++ b/WebKitBrowser/WebKitImplementation.cpp
@@ -1337,7 +1337,14 @@ static GSourceFuncs _handlerIntervention =
                     WebKitImplementation* object = std::get<0>(data);
                     auto& script = std::get<1>(data);
 #ifdef WEBKIT_GLIB_API
+
+#if WEBKIT_CHECK_VERSION(2, 42, 0)
+                    // length: size of script, or -1 if script is a nul-terminated string
+                    webkit_web_view_evaluate_javascript(object->_view, script.c_str(), -1, nullptr, nullptr, nullptr, nullptr, nullptr);
+#else
                     webkit_web_view_run_javascript(object->_view, script.c_str(), nullptr, nullptr, nullptr);
+#endif
+
 #else
                     auto scriptRef = WKStringCreateWithUTF8CString(script.c_str());
                     WKPageRunJavaScriptInMainFrame(object->_page, scriptRef, nullptr, [](WKSerializedScriptValueRef, WKErrorRef, void*){});