diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
index 24cb8a171f..0d9eca3325 100644
--- a/libavcodec/jpeg2000dec.c
+++ b/libavcodec/jpeg2000dec.c
@@ -1331,6 +1331,8 @@ static int jpeg2000_decode_tile(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile,
         }
     } else {
         int precision = picture->format == AV_PIX_FMT_XYZ12 ||
+                        picture->format == AV_PIX_FMT_RGB48 ||
+                        picture->format == AV_PIX_FMT_RGBA64 ||
                         picture->format == AV_PIX_FMT_GRAY16 ? 16 : s->precision;
 
         for (compno = 0; compno < s->ncomponents; compno++) {