diff --git a/src/interfaces/window.h b/src/interfaces/window.h
index f2dd573..083e467 100644
--- a/src/interfaces/window.h
+++ b/src/interfaces/window.h
@@ -40,8 +40,8 @@ public:
         AnchorLeft = 4, ///< The left edge of the anchor rectangle
         AnchorRight = 8, ///< The right edge of the anchor rectangle
     };
-    Q_ENUM(Anchor);
     Q_DECLARE_FLAGS(Anchors, Anchor)
+    Q_FLAG(Anchors)
 
     /**
      * This enum type is used to specify the layer where a surface can be put in.
diff --git a/tests/main.cpp b/tests/main.cpp
index e1860dc..af8a4f8 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -53,7 +53,7 @@ int main(int argc, char **argv)
     QGuiApplication app(argc, argv);
 
     const auto layerMetaEnum = QMetaEnum::fromType<Window::Layer>();
-    const auto anchorMetaEnum = QMetaEnum::fromType<Window::Anchor>();
+    const auto anchorMetaEnum = QMetaEnum::fromType<Window::Anchors>();
 
     QCommandLineParser parser;
     QCommandLineOption marginsOption(QStringLiteral("margins"), QStringLiteral("Window margins"), QStringLiteral("pixels"), QStringLiteral("0"));