diff --git a/src/amdgpu_kms.c b/src/amdgpu_kms.c
index cb0fb3b57..174bab08b 100644
--- a/src/amdgpu_kms.c
+++ b/src/amdgpu_kms.c
@@ -479,7 +479,7 @@ dirty_region(PixmapDirtyUpdatePtr dirty)
 static void
 redisplay_dirty(PixmapDirtyUpdatePtr dirty, RegionPtr region)
 {
-	ScrnInfoPtr scrn = xf86ScreenToScrn(dirty->slave_dst->drawable.pScreen);
+	ScrnInfoPtr scrn = xf86ScreenToScrn(dirty->slave_dst->master_pixmap->drawable.pScreen);
 
 	if (RegionNil(region))
 		goto out;