diff --git a/dbe/dbe.c b/dbe/dbe.c
index edd234db8..0c1f2e589 100644
--- a/dbe/dbe.c
+++ b/dbe/dbe.c
@@ -907,7 +907,7 @@ SProcDbeSwapBuffers(ClientPtr client)
          * followed by a 1 byte swap action and then 3 pad bytes.  We only need
          * to swap the window information.
          */
-        for (i = 0; i < stuff->n; i++) {
+        for (i = 0; i < stuff->n; i++, pSwapInfo++) {
             swapl(&pSwapInfo->window);
         }
     }