diff --git a/src/platform/qt/InputController.cpp b/src/platform/qt/InputController.cpp
index 21d021edc..00c99a9dd 100644
--- a/src/platform/qt/InputController.cpp
+++ b/src/platform/qt/InputController.cpp
@@ -36,7 +36,7 @@ InputController::InputController(QWidget* topLevel, QObject* parent)
 	mInputMapInit(&m_inputMap, &GBAInputInfo);
 
 	connect(&m_gamepadTimer, &QTimer::timeout, [this]() {
-		for (auto& driver : m_inputDrivers) {
+		for (auto driver : m_inputDrivers) {
 			if (driver->supportsPolling() && driver->supportsGamepads()) {
 				testGamepad(driver->type());
 			}
@@ -154,7 +154,7 @@ bool InputController::loadConfiguration(uint32_t type) {
 	if (!mInputMapLoad(&m_inputMap, type, m_config->input())) {
 		return false;
 	}
-	auto& driver = m_inputDrivers.value(type);
+	auto driver = m_inputDrivers.value(type);
 	if (!driver) {
 		return false;
 	}
@@ -180,7 +180,7 @@ bool InputController::loadProfile(uint32_t type, const QString& profile) {
 
 void InputController::saveConfiguration() {
 	saveConfiguration(KEYBOARD);
-	for (auto& driver : m_inputDrivers) {
+	for (auto driver : m_inputDrivers) {
 		driver->saveConfiguration(m_config);
 	}
 	m_config->write();
@@ -188,7 +188,7 @@ void InputController::saveConfiguration() {
 
 void InputController::saveConfiguration(uint32_t type) {
 	mInputMapSave(&m_inputMap, type, m_config->input());
-	auto& driver = m_inputDrivers.value(type);
+	auto driver = m_inputDrivers.value(type);
 	if (driver) {
 		driver->saveConfiguration(m_config);
 	}
@@ -204,7 +204,7 @@ void InputController::saveProfile(uint32_t type, const QString& profile) {
 }
 
 QString InputController::profileForType(uint32_t type) {
-	auto& driver = m_inputDrivers.value(type);
+	auto driver = m_inputDrivers.value(type);
 	if (!driver) {
 		return {};
 	}
@@ -212,7 +212,7 @@ QString InputController::profileForType(uint32_t type) {
 }
 
 void InputController::setGamepadDriver(uint32_t type) {
-	auto& driver = m_inputDrivers.value(type);
+	auto driver = m_inputDrivers.value(type);
 	if (!driver || !driver->supportsGamepads()) {
 		return;
 	}
@@ -223,7 +223,7 @@ QStringList InputController::connectedGamepads(uint32_t type) const {
 	if (!type) {
 		type = m_gamepadDriver;
 	}
-	auto& driver = m_inputDrivers.value(type);
+	const auto& driver = m_inputDrivers.value(type);
 	if (!driver) {
 		return {};
 	}
@@ -239,7 +239,7 @@ int InputController::gamepadIndex(uint32_t type) const {
 	if (!type) {
 		type = m_gamepadDriver;
 	}
-	auto& driver = m_inputDrivers.value(type);
+	const auto& driver = m_inputDrivers.value(type);
 	if (!driver) {
 		return -1;
 	}
@@ -250,7 +250,7 @@ void InputController::setGamepad(uint32_t type, int index) {
 	if (!type) {
 		type = m_gamepadDriver;
 	}
-	auto& driver = m_inputDrivers.value(type);
+	auto driver = m_inputDrivers.value(type);
 	if (!driver) {
 		return;
 	}
@@ -268,7 +268,7 @@ void InputController::setPreferredGamepad(uint32_t type, int index) {
 	if (!type) {
 		type = m_gamepadDriver;
 	}
-	auto& driver = m_inputDrivers.value(type);
+	auto driver = m_inputDrivers.value(type);
 	if (!driver) {
 		return;
 	}
@@ -302,7 +302,7 @@ InputMapper InputController::mapper(InputSource* source) {
 }
 
 void InputController::setSensorDriver(uint32_t type) {
-	auto& driver = m_inputDrivers.value(type);
+	auto driver = m_inputDrivers.value(type);
 	if (!driver || !driver->supportsSensors()) {
 		return;
 	}
@@ -311,7 +311,7 @@ void InputController::setSensorDriver(uint32_t type) {
 
 
 mRumble* InputController::rumble() {
-	auto& driver = m_inputDrivers.value(m_sensorDriver);
+	auto driver = m_inputDrivers.value(m_sensorDriver);
 	if (driver) {
 		return driver->rumble();
 	}
@@ -319,7 +319,7 @@ mRumble* InputController::rumble() {
 }
 
 mRotationSource* InputController::rotationSource() {
-	auto& driver = m_inputDrivers.value(m_sensorDriver);
+	auto driver = m_inputDrivers.value(m_sensorDriver);
 	if (driver) {
 		return driver->rotationSource();
 	}
@@ -331,7 +331,7 @@ int InputController::mapKeyboard(int key) const {
 }
 
 void InputController::update() {
-	for (auto& driver : m_inputDrivers) {
+	for (auto driver : m_inputDrivers) {
 		QString profile = profileForType(driver->type());
 		driver->update();
 		QString newProfile = profileForType(driver->type());
@@ -359,7 +359,7 @@ int InputController::pollEvents() {
 }
 
 Gamepad* InputController::gamepad(uint32_t type) {
-	auto& driver = m_inputDrivers.value(type);
+	auto driver = m_inputDrivers.value(type);
 	if (!driver) {
 		return nullptr;
 	}
@@ -372,7 +372,7 @@ Gamepad* InputController::gamepad(uint32_t type) {
 
 QList<Gamepad*> InputController::gamepads() {
 	QList<Gamepad*> pads;
-	for (auto& driver : m_inputDrivers) {
+	for (auto driver : m_inputDrivers) {
 		if (!driver->supportsGamepads()) {
 			continue;
 		}