diff --git a/src/inputmethod.cpp b/src/inputmethod.cpp
index d05349c133..e625f8da67 100644
--- a/src/inputmethod.cpp
+++ b/src/inputmethod.cpp
@@ -363,7 +363,7 @@ static quint32 keysymToKeycode(quint32 sym)
     }
 }
 
-void InputMethod::keysymReceived(quint32 serial, quint32 time, quint32 sym, bool pressed, Qt::KeyboardModifiers modifiers)
+void InputMethod::keysymReceived(quint32 serial, quint32 time, quint32 sym, bool pressed, quint32 modifiers)
 {
     Q_UNUSED(serial)
     Q_UNUSED(time)
diff --git a/src/inputmethod.h b/src/inputmethod.h
index 77fcfae908..b14999ea96 100644
--- a/src/inputmethod.h
+++ b/src/inputmethod.h
@@ -83,7 +83,7 @@ private:
     void updateInputPanelState();
     void adoptInputMethodContext();
     void commitString(qint32 serial, const QString &text);
-    void keysymReceived(quint32 serial, quint32 time, quint32 sym, bool pressed, Qt::KeyboardModifiers modifiers);
+    void keysymReceived(quint32 serial, quint32 time, quint32 sym, bool pressed, quint32 modifiers);
     void deleteSurroundingText(int32_t index, uint32_t length);
     void setCursorPosition(qint32 index, qint32 anchor);
     void setLanguage(uint32_t serial, const QString &language);