diff --git a/THANKS b/THANKS
--- a/THANKS
+++ b/THANKS
@@ -83,4 +83,5 @@
 
 - Torsten Kemps-Benedix reported an installation problem in OS/X.
 
+- Stefan Kersten fixed hmatrix.cabal for 64-bit ghc-7 in OS/X
 
diff --git a/hmatrix.cabal b/hmatrix.cabal
--- a/hmatrix.cabal
+++ b/hmatrix.cabal
@@ -1,11 +1,11 @@
 Name:               hmatrix
-Version:            0.11.0.0
+Version:            0.11.0.1
 License:            GPL
 License-file:       LICENSE
 Author:             Alberto Ruiz
 Maintainer:         Alberto Ruiz <aruiz@um.es>
 Stability:          provisional
-Homepage:           http://code.haskell.org/hmatrix
+Homepage:           http://perception.inf.um.es/hmatrix
 Synopsis:           Linear algebra and numerical computation
 Description:        Purely functional interface to basic linear algebra
                     and other numerical computations, internally implemented using
@@ -181,7 +181,8 @@
         extra-lib-dirs: /opt/local/lib/
         include-dirs: /opt/local/include
         extra-libraries: gsl
-        cc-options: -arch i386
+        if arch(i386)
+            cc-options: -arch i386
         frameworks: Accelerate
 
     if os(windows)
@@ -195,5 +196,6 @@
 
 source-repository head
     type:     darcs
-    location: http://code.haskell.org/hmatrix
+    location: http://patch-tag.com/r/aruiz/hmatrix
+--    location: http://code.haskell.org/hmatrix