diff --git a/libavcodec/bintext.c b/libavcodec/bintext.c
index 520d68a7c0..553f020738 100644
--- a/libavcodec/bintext.c
+++ b/libavcodec/bintext.c
@@ -224,6 +224,7 @@ const AVCodec ff_bintext_decoder = {
     .init           = decode_init,
     .decode         = decode_frame,
     .capabilities   = AV_CODEC_CAP_DR1,
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
 };
 #endif
 #if CONFIG_XBIN_DECODER
@@ -236,6 +237,7 @@ const AVCodec ff_xbin_decoder = {
     .init           = decode_init,
     .decode         = decode_frame,
     .capabilities   = AV_CODEC_CAP_DR1,
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
 };
 #endif
 #if CONFIG_IDF_DECODER
@@ -248,5 +250,6 @@ const AVCodec ff_idf_decoder = {
     .init           = decode_init,
     .decode         = decode_frame,
     .capabilities   = AV_CODEC_CAP_DR1,
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
 };
 #endif