diff --git a/src/core/hle/service/hid/controllers/npad.h b/src/core/hle/service/hid/controllers/npad.h
index 5572a9a14..f28b36806 100644
--- a/src/core/hle/service/hid/controllers/npad.h
+++ b/src/core/hle/service/hid/controllers/npad.h
@@ -119,7 +119,7 @@ public:
     void DisconnectNPad(u32 npad_id);
     LedPattern GetLedPattern(u32 npad_id);
     void SetVibrationEnabled(bool can_vibrate);
-    bool IsVibrationEnabled();
+    bool IsVibrationEnabled() const;
     void ClearAllConnectedControllers();
     void DisconnectAllConnectedControllers();
     void ConnectAllDisconnectedControllers();