diff --git a/hw/xnest/Screen.c b/hw/xnest/Screen.c
index cb205235c..e518628cb 100644
--- a/hw/xnest/Screen.c
+++ b/hw/xnest/Screen.c
@@ -253,8 +253,8 @@ xnestOpenScreen(ScreenPtr pScreen, int argc, char *argv[])
     pScreen->defColormap = (Colormap) FakeClientID(0);
     pScreen->minInstalledCmaps = MINCMAPS;
     pScreen->maxInstalledCmaps = MAXCMAPS;
-    pScreen->backingStoreSupport = NotUseful;
-    pScreen->saveUnderSupport = NotUseful;
+    pScreen->backingStoreSupport = XCB_BACKING_STORE_NOT_USEFUL;
+    pScreen->saveUnderSupport = XCB_BACKING_STORE_NOT_USEFUL;
     pScreen->whitePixel = xnestWhitePixel;
     pScreen->blackPixel = xnestBlackPixel;
     /* GCperDepth */
diff --git a/hw/xnest/Window.c b/hw/xnest/Window.c
index 7a7c16525..d6270a998 100644
--- a/hw/xnest/Window.c
+++ b/hw/xnest/Window.c
@@ -89,7 +89,7 @@ xnestCreateWindow(WindowPtr pWin)
     else {
         mask = XCB_CW_EVENT_MASK | XCB_CW_BACKING_STORE;
         attributes.event_mask = ExposureMask;
-        attributes.backing_store = NotUseful;
+        attributes.backing_store = XCB_BACKING_STORE_NOT_USEFUL;
 
         if (pWin->parent) {
             if (pWin->optional &&