diff --git a/libtiff/tif_jpeg_12.c b/libtiff/tif_jpeg_12.c
new file mode 100644
index 00000000..d6737eb6
--- /dev/null
+++ b/libtiff/tif_jpeg_12.c
@@ -0,0 +1,58 @@
+
+#include "tiffiop.h"
+
+#if defined(JPEG_DUAL_MODE_8_12)
+
+#  define TIFFInitJPEG TIFFInitJPEG_12
+
+#  include LIBJPEG_12_PATH
+
+#  include "tif_jpeg.c"
+
+int TIFFReInitJPEG_12( TIFF *tif, int scheme, int is_encode )
+
+{
+    JPEGState* sp;
+
+    assert(scheme == COMPRESSION_JPEG);
+
+    sp = JState(tif);
+    sp->tif = tif;				/* back link */
+
+    /*
+     * Override parent get/set field methods.
+     */
+    tif->tif_tagmethods.vgetfield = JPEGVGetField; /* hook for codec tags */
+    tif->tif_tagmethods.vsetfield = JPEGVSetField; /* hook for codec tags */
+    tif->tif_tagmethods.printdir = JPEGPrintDir;   /* hook for codec tags */
+
+    /*
+     * Install codec methods.
+     */
+    tif->tif_fixuptags = JPEGFixupTags;
+    tif->tif_setupdecode = JPEGSetupDecode;
+    tif->tif_predecode = JPEGPreDecode;
+    tif->tif_decoderow = JPEGDecode;
+    tif->tif_decodestrip = JPEGDecode;
+    tif->tif_decodetile = JPEGDecode;
+    tif->tif_setupencode = JPEGSetupEncode;
+    tif->tif_preencode = JPEGPreEncode;
+    tif->tif_postencode = JPEGPostEncode;
+    tif->tif_encoderow = JPEGEncode;
+    tif->tif_encodestrip = JPEGEncode;
+    tif->tif_encodetile = JPEGEncode;  
+    tif->tif_cleanup = JPEGCleanup;
+    tif->tif_defstripsize = JPEGDefaultStripSize;
+    tif->tif_deftilesize = JPEGDefaultTileSize;
+    tif->tif_flags |= TIFF_NOBITREV;	/* no bit reversal, please */
+
+    sp->cinfo_initialized = FALSE;
+
+    if( is_encode )
+        return JPEGSetupEncode(tif);
+    else
+        return JPEGSetupDecode(tif);
+}
+
+#endif /* defined(JPEG_DUAL_MODE_8_12) */
+