diff --git a/include/lrglobal.h b/include/lrglobal.h
index 4b20774..b324900 100644
--- a/include/lrglobal.h
+++ b/include/lrglobal.h
@@ -157,6 +157,9 @@ namespace Const{
     typedef QScriptValue ScriptValueType;
 #endif
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 8, 0)
+    Q_NAMESPACE
+#endif
     class Enums
     {
     public:
diff --git a/limereport/lrglobal.h b/limereport/lrglobal.h
index 4b20774..b324900 100644
--- a/limereport/lrglobal.h
+++ b/limereport/lrglobal.h
@@ -157,6 +157,9 @@ namespace Const{
     typedef QScriptValue ScriptValueType;
 #endif
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 8, 0)
+    Q_NAMESPACE
+#endif
     class Enums
     {
     public: