diff --git a/Xext/shm.c b/Xext/shm.c
index 261408cde..65be95526 100644
--- a/Xext/shm.c
+++ b/Xext/shm.c
@@ -1326,6 +1326,10 @@ ProcShmCreateSegment(ClientPtr client)
         close(fd);
         return BadAlloc;
     }
+    if (client->swapped) {
+        swaps(&rep.sequenceNumber);
+        swapl(&rep.length);
+    }
     WriteToClient(client, sizeof (xShmCreateSegmentReply), &rep);
     return Success;
 }