diff --git a/math/blitz++/files/patch-doc-Makefile.in b/math/blitz++/files/patch-doc-Makefile.in
index 1bcb6b72b366..fc83fe784b27 100644
--- a/math/blitz++/files/patch-doc-Makefile.in
+++ b/math/blitz++/files/patch-doc-Makefile.in
@@ -1,10 +1,12 @@
---- doc/Makefile.in.orig	Sat Nov  8 00:45:38 2003
-+++ doc/Makefile.in	Sat Nov  8 00:45:33 2003
-@@ -155,7 +155,7 @@ SUBDIRS = examples stencils
+--- doc/Makefile.in.orig	Wed Sep 17 20:00:32 2003
++++ doc/Makefile.in	Mon May 31 01:33:13 2004
+@@ -154,8 +154,8 @@
+ SUBDIRS = examples stencils
  
  # install these files
- docdir = $(prefix)/doc
+-docdir = $(prefix)/doc
 -doc_DATA = blitz.ps 
++docdir = $(prefix)/share/doc/blitz
 +doc_DATA = 
  
  AM_MAKEINFOFLAGS = --no-split