diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c
index ff96bff4afcdcd608168f67bd63682e5e451b6ef..9acdd2ee4e438b3674389824cfddc213788951e1 100644
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@@ -2973,6 +2973,7 @@ AVCodec mpeg1video_encoder = {
     MPV_encode_picture,
     MPV_encode_end,
     .supported_framerates= frame_rate_tab+1,
+    .capabilities= CODEC_CAP_DELAY,
 };
 
 #ifdef CONFIG_RISKY
@@ -2986,6 +2987,7 @@ AVCodec mpeg2video_encoder = {
     MPV_encode_picture,
     MPV_encode_end,
     .supported_framerates= frame_rate_tab+1,
+    .capabilities= CODEC_CAP_DELAY,
 };
 #endif
 #endif
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 31f1e0d02ebbd26ff36475a51527f0a8e678f35a..3e7ac798d6022a9b0d8b2e008d4cfd4fdcb37334 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -6048,6 +6048,7 @@ AVCodec mpeg4_encoder = {
     MPV_encode_picture,
     MPV_encode_end,
     .options = mpeg4_options,
+    .capabilities= CODEC_CAP_DELAY,
 };
 
 AVCodec msmpeg4v1_encoder = {