diff --git a/libavcodec/ac3enc_float.c b/libavcodec/ac3enc_float.c
index 1f3111af0e..99863a9722 100644
--- a/libavcodec/ac3enc_float.c
+++ b/libavcodec/ac3enc_float.c
@@ -153,4 +153,5 @@ AVCodec ff_ac3_encoder = {
     .supported_samplerates = ff_ac3_sample_rate_tab,
     .channel_layouts = ff_ac3_channel_layouts,
     .defaults        = ac3_defaults,
+    .caps_internal   = FF_CODEC_CAP_INIT_CLEANUP,
 };
diff --git a/libavcodec/eac3enc.c b/libavcodec/eac3enc.c
index 6a90571e56..8e1032f268 100644
--- a/libavcodec/eac3enc.c
+++ b/libavcodec/eac3enc.c
@@ -266,4 +266,5 @@ AVCodec ff_eac3_encoder = {
     .supported_samplerates = ff_ac3_sample_rate_tab,
     .channel_layouts = ff_ac3_channel_layouts,
     .defaults        = ac3_defaults,
+    .caps_internal   = FF_CODEC_CAP_INIT_CLEANUP,
 };