diff --git a/hw/xwin/winmultiwindowwindow.c b/hw/xwin/winmultiwindowwindow.c
index 616cf118e1..c4ea477ad9 100644
--- a/hw/xwin/winmultiwindowwindow.c
+++ b/hw/xwin/winmultiwindowwindow.c
@@ -1077,8 +1077,8 @@ winModifyPixmapHeaderMultiwindow(PixmapPtr pPixmap,
 
     /* Look for which screen this pixmap corresponds to */
     for (i = 0; i < screenInfo.numScreens; i++) {
-        ScreenPtr pScreen = screenInfo.screens[i];
-        winScreenPriv(pScreen);
+        ScreenPtr walkScreen = screenInfo.screens[i];
+        winScreenPriv(walkScreen);
         winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
 
         if (pScreenInfo->pfb == pPixData)