diff --git a/hw/xquartz/xpr/appledri.c b/hw/xquartz/xpr/appledri.c
index a57f2802a..4d1a82fcc 100644
--- a/hw/xquartz/xpr/appledri.c
+++ b/hw/xquartz/xpr/appledri.c
@@ -331,7 +331,7 @@ ProcAppleDRIDestroyPixmap(ClientPtr client)
     DrawablePtr pDrawable;
     int rc;
     REQUEST(xAppleDRIDestroyPixmapReq);
-    REQUEST_SIZE_MATCH(xAppleDRICreatePixmapReq);
+    REQUEST_SIZE_MATCH(xAppleDRIDestroyPixmapReq);
 
     rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
 			    DixReadAccess);
diff --git a/hw/xquartz/xpr/appledristr.h b/hw/xquartz/xpr/appledristr.h
index bcac03a3b..a3844f090 100644
--- a/hw/xquartz/xpr/appledristr.h
+++ b/hw/xquartz/xpr/appledristr.h
@@ -226,7 +226,7 @@ typedef struct {
 typedef struct {
     CARD8 reqType; /*1*/
     CARD8 driReqType; /*2*/
-    CARD16 length; /*4*/
+    CARD16 length B16; /*4*/
     CARD32 drawable B32; /*8*/
 } xAppleDRIDestroyPixmapReq;