diff --git a/libavcodec/j2kdec.c b/libavcodec/j2kdec.c
index 4c1f6546eb..caa904d8b3 100644
--- a/libavcodec/j2kdec.c
+++ b/libavcodec/j2kdec.c
@@ -1062,6 +1062,7 @@ AVCodec ff_jpeg2000_decoder = {
     decode_end,
     decode_frame,
     .capabilities = CODEC_CAP_EXPERIMENTAL,
+    .long_name = NULL_IF_CONFIG_SMALL("JPEG 2000"),
     .pix_fmts =
         (enum PixelFormat[]) {PIX_FMT_GRAY8, PIX_FMT_RGB24, -1}
 };
diff --git a/libavcodec/j2kenc.c b/libavcodec/j2kenc.c
index 46aa45a674..50b2b2137a 100644
--- a/libavcodec/j2kenc.c
+++ b/libavcodec/j2kenc.c
@@ -1043,6 +1043,7 @@ AVCodec ff_jpeg2000_encoder = {
     encode_frame,
     j2kenc_destroy,
     .capabilities= CODEC_CAP_EXPERIMENTAL,
+    .long_name = NULL_IF_CONFIG_SMALL("JPEG 2000"),
     .pix_fmts =
         (enum PixelFormat[]) {PIX_FMT_RGB24, PIX_FMT_YUV444P, PIX_FMT_GRAY8,
 /*                              PIX_FMT_YUV420P,