1diff --git a/source/dng_ifd.cpp b/source/dng_ifd.cpp
2index 174f18f..2974323 100644
3--- a/source/dng_ifd.cpp
4+++ b/source/dng_ifd.cpp
5@@ -3168,6 +3168,7 @@ bool dng_ifd::IsValidDNG (dng_shared &shared,
6 		case ccUncompressed:
7 			break;
8
9+        case 9: /* VC5 compression support */
10 		case ccJPEG:
11 			{
12
13@@ -3202,7 +3203,7 @@ bool dng_ifd::IsValidDNG (dng_shared &shared,
14 			break;
15
16 			}
17-
18+
19 		case ccLossyJPEG:
20 			{
21
22