--- jmorecfg.h
+++ jmorecfg.h
@@ -158,7 +158,7 @@
 /* INT32 must hold at least signed 32-bit values. */
 
 #ifndef XMD_H			/* X11/xmd.h correctly defines INT32 */
-typedef long INT32;
+typedef int INT32;
 #endif
 
 /* Datatype used for image dimensions.  The JPEG standard only supports