diff --git a/src/GetMoEv.c b/src/GetMoEv.c

index 2aa6c1a..dac1bfc 100644

--- a/src/GetMoEv.c

+++ b/src/GetMoEv.c

@@ -33,9 +33,9 @@ in this Software without prior written authorization from The Open Group.

 XTimeCoord *XGetMotionEvents(

     register Display *dpy,

+    Window w,

     Time start, 

     Time stop,

-    Window w,

     int *nEvents)  /* RETURN */

 {       

     xGetMotionEventsReply rep;