diff --git a/src/plugins/lua/luaengine.cpp b/src/plugins/lua/luaengine.cpp
index bf2efb38300..ccd72cc9669 100644
--- a/src/plugins/lua/luaengine.cpp
+++ b/src/plugins/lua/luaengine.cpp
@@ -394,7 +394,7 @@ QStringList variadicToStringList(const sol::variadic_args &vargs)
         size_t l;
         const char *s = luaL_tolstring(vargs.lua_state(), int(i), &l);
         if (s != nullptr)
-            strings.append(QString::fromUtf8(s, l).replace('\0', "\\0"));
+            strings.append(QString::fromUtf8(s, l).replace(QLatin1Char('\0'), "\\0"));
     }
 
     return strings;
diff --git a/src/plugins/lua/luauibindings.cpp b/src/plugins/lua/luauibindings.cpp
index 3c99085bda1..a249cc27b05 100644
--- a/src/plugins/lua/luauibindings.cpp
+++ b/src/plugins/lua/luauibindings.cpp
@@ -129,7 +129,7 @@ sol::usertype<T> runtimeObject(sol::state_view lua)
 
 void registerUiBindings()
 {
-    LuaEngine::registerProvider("Qt.Gui", [](sol::state_view lua) {
+    registerProvider("Qt.Gui", [](sol::state_view lua) {
         runtimeObject<QObject>(lua);
         runtimeObject<QWidget, QObject>(lua);
         runtimeObject<QDialog, QWidget, QObject>(lua);