--- sourceforge.net/trunk/rdesktop/xkeymap.c	2002/07/18 18:28:12	66
+++ sourceforge.net/trunk/rdesktop/xkeymap.c	2002/07/23 01:53:04	67
@@ -253,6 +253,10 @@
 			return MOUSE_FLAG_BUTTON3;
 		case Button3:	/* right */
 			return MOUSE_FLAG_BUTTON2;
+		case Button4:	/* wheel up */
+			return MOUSE_FLAG_BUTTON4;
+		case Button5:	/* wheel down */
+			return MOUSE_FLAG_BUTTON5;
 	}
 
 	return 0;