diff --git a/libavcodec/libvo-aacenc.c b/libavcodec/libvo-aacenc.c
index a09c74c72d..1414aadb64 100644
--- a/libavcodec/libvo-aacenc.c
+++ b/libavcodec/libvo-aacenc.c
@@ -157,7 +157,7 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
             samples = (VO_PBYTE)frame->data[0];
         }
         /* add current frame to the queue */
-        if ((ret = ff_af_queue_add(&s->afq, frame) < 0))
+        if ((ret = ff_af_queue_add(&s->afq, frame)) < 0)
             return ret;
     }