diff --git a/app-text/tetex/files/tetex-3.0_p1-amd64-xdvik-wp.patch b/app-text/tetex/files/tetex-3.0_p1-amd64-xdvik-wp.patch
new file mode 100644
--- /dev/null
+++ b/app-text/tetex/files/tetex-3.0_p1-amd64-xdvik-wp.patch
@@ -0,0 +1,26 @@
+--- tetex-src-3.0/texk/xdvik/x_util.c	2005-12-06 16:04:45.000000000 +0100
++++ tetex-src-3.0/texk/xdvik/x_util.c.new	2006-01-06 13:13:22.000000000 +0100
+@@ -205,15 +205,15 @@
+     w = (*((xuint32 *) window_p));
+ #else
+ # if WORDS_BIGENDIAN
+-    w = ((unsigned long)wp[0] << 24) |
+-	((unsigned long)wp[1] << 16) |
+-	((unsigned long)wp[2] << 8)  |
+-	(unsigned long)wp[3];
++    w = ((unsigned long)window_p[0] << 24) |
++	((unsigned long)window_p[1] << 16) |
++	((unsigned long)window_p[2] << 8)  |
++	(unsigned long)window_p[3];
+ # else
+-    w = ((unsigned long)wp[3] << 24) |
+-	((unsigned long)wp[2] << 16) |
+-	((unsigned long)wp[1] << 8)  |
+-	(unsigned long)wp[0];
++    w = ((unsigned long)window_p[3] << 24) |
++	((unsigned long)window_p[2] << 16) |
++	((unsigned long)window_p[1] << 8)  |
++	(unsigned long)window_p[0];
+ # endif
+ #endif
+     return w;