diff --git a/libmpcodecs/vd_lzo.c b/libmpcodecs/vd_lzo.c
index 2560459136..18b9a9a75b 100644
--- a/libmpcodecs/vd_lzo.c
+++ b/libmpcodecs/vd_lzo.c
@@ -142,7 +142,7 @@ static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags)
 	    return NULL;
 	}
 
-	mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,priv->codec);
+	if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,priv->codec)) return NULL;
 	init_done++;
 	free(tmp);
     }
diff --git a/libmpcodecs/vd_null.c b/libmpcodecs/vd_null.c
index 0d6bb8f441..a82a3ba036 100644
--- a/libmpcodecs/vd_null.c
+++ b/libmpcodecs/vd_null.c
@@ -24,7 +24,7 @@ static int control(sh_video_t *sh,int cmd,void* arg,...){
 
 // init driver
 static int init(sh_video_t *sh){
-    mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_BGR24);
+    if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_BGR24)) return 0;
     return 1;
 }