diff --git a/usbcontroller.cpp b/usbcontroller.cpp
index b017894..ad7642a 100644
--- a/usbcontroller.cpp
+++ b/usbcontroller.cpp
@@ -47,7 +47,7 @@ void usbController::init()
     else {
 
 #if defined(__APPLE__) && HID_API_VERSION >= HID_API_MAKE_VERSION(0, 12, 0)
-        hid_darwin_set_open_exclusive(0);
+        hid_darwin_set_open_exclusive(1);
 #endif
         
         qInfo(logUsbControl()) << "Found available HID devices (not all will be suitable for use):";