diff --git a/src/add-ons/kernel/drivers/input/usb_hid/JoystickProtocolHandler.cpp b/src/add-ons/kernel/drivers/input/usb_hid/JoystickProtocolHandler.cpp
index d06a569e84..e7aff1368a 100644
--- a/src/add-ons/kernel/drivers/input/usb_hid/JoystickProtocolHandler.cpp
+++ b/src/add-ons/kernel/drivers/input/usb_hid/JoystickProtocolHandler.cpp
@@ -115,6 +115,9 @@ JoystickProtocolHandler::JoystickProtocolHandler(HIDReport &report)
 JoystickProtocolHandler::~JoystickProtocolHandler()
 {
 	free(fCurrentValues.data);
+	free(fAxis);
+	free(fHats);
+	free(fButtons);
 }