diff --git a/libtiff/tif_dirwrite.c b/libtiff/tif_dirwrite.c
index 5f0eedb5..6d74831f 100644
--- a/libtiff/tif_dirwrite.c
+++ b/libtiff/tif_dirwrite.c
@@ -1,4 +1,4 @@
-/* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirwrite.c,v 1.1 1999-07-27 21:50:27 mike Exp $ */
+/* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirwrite.c,v 1.2 1999-08-18 12:38:55 warmerda Exp $ */
 
 /*
  * Copyright (c) 1988-1997 Sam Leffler
@@ -474,6 +474,27 @@ TIFFWriteNormalTag(TIFF* tif, TIFFDirEntry* dir, const TIFFFieldInfo* fip)
 			return (0);
 		}
 		break;
+
+        /* added based on patch request from MARTIN.MCBRIDE.MM@agfa.co.uk,
+           correctness not verified (FW, 99/08) */
+        case TIFF_BYTE:
+                if (wc > 1) {
+                    char* cp;
+                    if (wc == (u_short) TIFF_VARIABLE) {
+                        TIFFGetField(tif, fip->field_tag, &wc, &cp);
+                        dir->tdir_count = wc;
+                    } else
+                        TIFFGetField(tif, fip->field_tag, &cp);
+                    if (!TIFFWriteByteArray(tif, dir, cp))
+                        return (0);
+                } else {
+                    char cv;
+                    TIFFGetField(tif, fip->field_tag, &cv);
+                    if (!TIFFWriteByteArray(tif, dir, &cv))
+                        return (0);
+                }
+                break;
+
 	case TIFF_UNDEFINED:
 		{ char* cp;
 		  if (wc == (u_short) TIFF_VARIABLE) {