diff -u xwd-1.0.1.orig/multiVis.c xwd-1.0.1/multiVis.c
--- xwd-1.0.1.orig/multiVis.c	2004-04-23 21:55:09.000000000 +0200
+++ xwd-1.0.1/multiVis.c	2008-01-31 17:51:16.000000000 +0100
@@ -40,6 +40,7 @@
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/X.h>
+#include <X11/Intrinsic.h>
 #include <stdio.h>
 #include "list.h"
 #include "wsutils.h"
@@ -1148,10 +1149,10 @@
 	 * do-while loop makes sure we get the entire list from the X server.
 	 */
 	bytesAfter = 0;
-	numLongs = sizeof(OverlayVisualPropertyRec) / 4;
+	numLongs = sizeof(OverlayVisualPropertyRec) / sizeof(long);
 	do
 	{
-	    numLongs += bytesAfter * 4;
+	    numLongs += bytesAfter * sizeof(long);
 	    XGetWindowProperty(display, RootWindow(display, screen),
 			       overlayVisualsAtom, 0, numLongs, False,
 			       overlayVisualsAtom, &actualType, &actualFormat,
@@ -1160,7 +1161,7 @@
 
 
 	/* Calculate the number of overlay visuals in the list. */
-	*numOverlayVisuals = numLongs / (sizeof(OverlayVisualPropertyRec) / 4);
+	*numOverlayVisuals = numLongs / (sizeof(OverlayVisualPropertyRec) / sizeof(long));
     }
     else
     {
diff -u xwd-1.0.1.orig/wsutils.h xwd-1.0.1/wsutils.h
--- xwd-1.0.1.orig/wsutils.h	2004-04-23 21:55:09.000000000 +0200
+++ xwd-1.0.1/wsutils.h	2008-01-31 17:50:36.000000000 +0100
@@ -51,7 +51,7 @@
   VisualID	visualID;		/* The VisualID of the overlay visual */
   int		transparentType;	/* Can be None, TransparentPixel or
 					 * TransparentMask */
-  int		value;			/* Pixel value */
+  Pixel		value;			/* Pixel value */
   int		layer;			/* Overlay planes will always be in
 					 * layer 1 */
 } OverlayVisualPropertyRec;
@@ -67,7 +67,7 @@
   XVisualInfo	*pOverlayVisualInfo;	/* Pointer to the XVisualInfo struct */
   int		transparentType;	/* Can be None, TransparentPixel or
 					 * TransparentMask */
-  int		value;			/* Pixel value */
+  Pixel		value;			/* Pixel value */
   int		layer;			/* Overlay planes will always be in
 					 * layer 1 */
 } OverlayInfo;