diff --git a/dix/devices.c b/dix/devices.c
index c25cbd1a25..50bf6dcba7 100644
--- a/dix/devices.c
+++ b/dix/devices.c
@@ -285,6 +285,7 @@ AddInputDevice(ClientPtr client, DeviceProc deviceProc, Bool autoStart)
     dev->deviceGrab.ActivateGrab = ActivateKeyboardGrab;
     dev->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab;
     if (!(dev->deviceGrab.sync.event = calloc(1, sizeof(InternalEvent)))) {
+        dixFreePrivates(dev->devPrivates, PRIVATE_DEVICE);
         free(dev);
         return NULL;
     }