diff --git a/mi/mipointer.c b/mi/mipointer.c
index b55e68b..db29082 100644
--- a/mi/mipointer.c
+++ b/mi/mipointer.c
@@ -412,7 +412,8 @@ miPointerMoved (DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y,
     SetupScreen(pScreen);
 
     if (pDev && (pDev->coreEvents || pDev == inputInfo.pointer) &&
-        !pScreenPriv->waitForUpdate && pScreen == miPointer.pSpriteScreen)
+        pScreenPriv && !pScreenPriv->waitForUpdate &&
+       pScreen == miPointer.pSpriteScreen)
     {
        miPointer.devx = x;
        miPointer.devy = y;