diff --git a/libavformat/sccdec.c b/libavformat/sccdec.c
index 412d8aaf49..b0b3ac1005 100644
--- a/libavformat/sccdec.c
+++ b/libavformat/sccdec.c
@@ -133,7 +133,7 @@ try_again:
 
         sub = ff_subtitles_queue_insert(&scc->q, out, i, 0);
         if (!sub)
-            return AVERROR(ENOMEM);
+            goto fail;
 
         sub->pos = pos;
         sub->pts = ts_start;
@@ -149,6 +149,9 @@ try_again:
     ff_subtitles_queue_finalize(s, &scc->q);
 
     return ret;
+fail:
+    ff_subtitles_queue_clean(&scc->q);
+    return AVERROR(ENOMEM);
 }
 
 static int scc_read_packet(AVFormatContext *s, AVPacket *pkt)