diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 9f1abbef7d..2453a5d1d9 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -2438,6 +2438,8 @@ int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
             return 256 * (frame_bytes / 64);
         if (id == AV_CODEC_ID_RA_144)
             return 160 * (frame_bytes / 20);
+        if (id == AV_CODEC_ID_G723_1)
+            return 240 * (frame_bytes / 24);
 
         if (bps > 0) {
             /* calc from frame_bytes and bits_per_coded_sample */