diff --git a/src/platform/qt/InputController.h b/src/platform/qt/InputController.h
index 5b7a01a44..6f2326cbd 100644
--- a/src/platform/qt/InputController.h
+++ b/src/platform/qt/InputController.h
@@ -183,8 +183,8 @@ private:
 	QWidget* m_focusParent;
 
 	QHash<uint32_t, std::shared_ptr<InputDriver>> m_inputDrivers;
-	uint32_t m_gamepadDriver;
-	uint32_t m_sensorDriver;
+	uint32_t m_gamepadDriver = 0;
+	uint32_t m_sensorDriver = 0;
 
 	QSet<int> m_activeButtons;
 	QSet<QPair<int, GamepadAxisEvent::Direction>> m_activeAxes;