diff --git a/Xext/sync.c b/Xext/sync.c
index f6719882f..c13ae0039 100644
--- a/Xext/sync.c
+++ b/Xext/sync.c
@@ -1864,6 +1864,7 @@ ProcSyncQueryAlarm(ClientPtr client)
         swaps(&rep.sequenceNumber);
         swapl(&rep.length);
         swapl(&rep.counter);
+        swapl(&rep.value_type);
         swapl(&rep.wait_value_hi);
         swapl(&rep.wait_value_lo);
         swapl(&rep.test_type);