diff --git a/libavcodec/eatqi.c b/libavcodec/eatqi.c
index 9f7ec4d743..2345cc7bef 100644
--- a/libavcodec/eatqi.c
+++ b/libavcodec/eatqi.c
@@ -111,8 +111,9 @@ static int tqi_decode_frame(AVCodecContext *avctx,
     tqi_calculate_qtable(s, buf[4]);
     buf += 8;
 
-    if (s->avctx->width!=s->width || s->avctx->height!=s->height)
-        avcodec_set_dimensions(s->avctx, s->width, s->height);
+    ret = ff_set_dimensions(s->avctx, s->width, s->height);
+    if (ret < 0)
+        return ret;
 
     if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");