diff --git a/ext/libav/gstavutils.c b/ext/libav/gstavutils.c
index e7d24f8dce..c434202390 100644
--- a/ext/libav/gstavutils.c
+++ b/ext/libav/gstavutils.c
@@ -31,7 +31,7 @@
 
 #include <libavutil/mem.h>
 
-G_CONST_RETURN gchar *
+const gchar *
 gst_ffmpeg_get_codecid_longname (enum AVCodecID codec_id)
 {
   AVCodec *codec;
diff --git a/ext/libav/gstavutils.h b/ext/libav/gstavutils.h
index 886d90218c..6d111a2126 100644
--- a/ext/libav/gstavutils.h
+++ b/ext/libav/gstavutils.h
@@ -85,7 +85,7 @@ gst_ffmpeg_init_pix_fmt_info(void);
 int
 gst_ffmpeg_auto_max_threads(void);
 
-G_CONST_RETURN gchar *
+const gchar *
 gst_ffmpeg_get_codecid_longname (enum AVCodecID codec_id);
 
 gint