diff --git a/libavformat/img2.c b/libavformat/img2.c
index 2309a8913f..5776c0d1f5 100644
--- a/libavformat/img2.c
+++ b/libavformat/img2.c
@@ -86,6 +86,7 @@ static const IdStrMap img_tags[] = {
     { CODEC_ID_SUNRAST   , "im1"},
     { CODEC_ID_SUNRAST   , "im8"},
     { CODEC_ID_SUNRAST   , "im24"},
+    { CODEC_ID_SUNRAST   , "im32"},
     { CODEC_ID_SUNRAST   , "sunras"},
     { CODEC_ID_JPEG2000  , "j2c"},
     { CODEC_ID_JPEG2000  , "j2k"},