diff --git a/dix/enterleave.c b/dix/enterleave.c
index 7959b30f77..ece1606d40 100644
--- a/dix/enterleave.c
+++ b/dix/enterleave.c
@@ -774,8 +774,7 @@ DeviceFocusEvent(DeviceIntPtr dev, int type, int mode, int detail,
     len = sizeof(xXIFocusInEvent) + btlen * 4;
 
     xXIFocusInEvent *xi2event = calloc(1, len);
-    if (!xi2event)
-        return;
+    BUG_RETURN(xi2event == NULL);
 
     xi2event->type = GenericEvent;
     xi2event->extension = EXTENSION_MAJOR_XINPUT;