diff --git jmorecfg.h jmorecfg.h
index be89189..3b0d05a 100644
--- jmorecfg.h
+++ jmorecfg.h
@@ -13,6 +13,7 @@
  * optimizations.  Most users will not need to touch this file.
  */
 
+#include <stdint.h>
 
 /*
  * Maximum number of components (color channels) allowed in JPEG image.
@@ -122,42 +123,19 @@ typedef char JOCTET;
 
 /* UINT8 must hold at least the values 0..255. */
 
-#ifdef HAVE_UNSIGNED_CHAR
-typedef unsigned char UINT8;
-#else /* not HAVE_UNSIGNED_CHAR */
-#ifdef __CHAR_UNSIGNED__
-typedef char UINT8;
-#else /* not __CHAR_UNSIGNED__ */
-typedef short UINT8;
-#endif /* __CHAR_UNSIGNED__ */
-#endif /* HAVE_UNSIGNED_CHAR */
+typedef uint8_t UINT8;
 
 /* UINT16 must hold at least the values 0..65535. */
 
-#ifdef HAVE_UNSIGNED_SHORT
-typedef unsigned short UINT16;
-#else /* not HAVE_UNSIGNED_SHORT */
-typedef unsigned int UINT16;
-#endif /* HAVE_UNSIGNED_SHORT */
+typedef uint16_t UINT16;
 
 /* INT16 must hold at least the values -32768..32767. */
 
-#ifndef XMD_H                   /* X11/xmd.h correctly defines INT16 */
-typedef short INT16;
-#endif
+typedef int16_t INT16;
 
 /* INT32 must hold at least signed 32-bit values. */
 
-#ifndef XMD_H                   /* X11/xmd.h correctly defines INT32 */
-#ifndef _BASETSD_H_		/* Microsoft defines it in basetsd.h */
-#ifndef _BASETSD_H		/* MinGW is slightly different */
-#ifndef QGLOBAL_H		/* Qt defines it in qglobal.h */
-#define __INT32_IS_ACTUALLY_LONG
-typedef long INT32;
-#endif
-#endif
-#endif
-#endif
+typedef int32_t INT32;
 
 /* Datatype used for image dimensions.  The JPEG standard only supports
  * images up to 64K*64K due to 16-bit fields in SOF markers.  Therefore