diff --git a/libavcodec/g722enc.c b/libavcodec/g722enc.c
index 24880f9550..8c4327b5f6 100644
--- a/libavcodec/g722enc.c
+++ b/libavcodec/g722enc.c
@@ -380,5 +380,5 @@ const AVCodec ff_adpcm_g722_encoder = {
     .capabilities    = AV_CODEC_CAP_SMALL_LAST_FRAME,
     .sample_fmts     = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_NONE },
     .channel_layouts = (const uint64_t[]){ AV_CH_LAYOUT_MONO, 0 },
-    .caps_internal   = FF_CODEC_CAP_INIT_CLEANUP,
+    .caps_internal   = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
 };