diff --git a/hw/xfree86/drivers/modesetting/drmmode_display.c b/hw/xfree86/drivers/modesetting/drmmode_display.c
index 4a3fdc56d..2cdcad1fa 100644
--- a/hw/xfree86/drivers/modesetting/drmmode_display.c
+++ b/hw/xfree86/drivers/modesetting/drmmode_display.c
@@ -956,6 +956,7 @@ drmmode_set_target_scanout_pixmap_cpu(xf86CrtcPtr crtc, PixmapPtr ppix,
             DamageUnregister(ppriv->slave_damage);
             ppriv->slave_damage = NULL;
         }
+        *target = NULL;
     }
 
     if (!ppix)