diff --git a/libtiff/tif_dirinfo.c b/libtiff/tif_dirinfo.c
index e1f6b23e..b508040c 100644
--- a/libtiff/tif_dirinfo.c
+++ b/libtiff/tif_dirinfo.c
@@ -138,7 +138,7 @@ tiffFields[] = {
 	{ TIFFTAG_CFAPATTERN,	4, 4,	TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0,	0,	"CFAPattern" , NULL},
 	{ TIFFTAG_COPYRIGHT, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Copyright", NULL },
 	/* end Pixar tags */
-	{ TIFFTAG_RICHTIFFIPTC, -3, -3, TIFF_LONG, 0, TIFF_SETGET_C32_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "RichTIFFIPTC", NULL },
+	{ TIFFTAG_RICHTIFFIPTC, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "RichTIFFIPTC", NULL },
 	{ TIFFTAG_PHOTOSHOP, -3, -3, TIFF_BYTE, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "Photoshop", NULL },
 	{ TIFFTAG_EXIFIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "EXIFIFDOffset", (TIFFFieldArray*) &exifFieldArray },
 	{ TIFFTAG_ICCPROFILE, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ICC Profile", NULL },