diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 8e5cfd5a82..2d62f079c4 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -1340,7 +1340,7 @@ int avcodec_thread_init(AVCodecContext *s, int thread_count)
 void avcodec_thread_free(AVCodecContext *s)
 {
 #if HAVE_THREADS
-    return ff_thread_free(s);
+    ff_thread_free(s);
 #endif
 }