diff --git a/README.md b/README.md
index 50d868c..61d53c6 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ install-haskell
 
 A script to install Haskell and minimize cabal hell.
 
-If you are on Linux install `libgmp-dev` and `zsh`.
+If you are on Linux install `libgmp-dev`, `bzip2` and `zsh`.
 
 ```
 curl -O https://raw.githubusercontent.com/yogsototh/install-haskell/master/install-haskell.sh
diff --git a/install-haskell.sh b/install-haskell.sh
index bbf2589..20e5766 100755
--- a/install-haskell.sh
+++ b/install-haskell.sh
@@ -26,6 +26,7 @@ if [[ $(uname -s) = "Darwin" ]]; then
     os="apple-darwin"
     cabalos="apple-darwin-maverick"
 else
+    [[ $archi = "i686" ]] && archi=x86_64
     cabalversion="1.20.0.1"
     os="unknown-linux-deb7"
     cabalos="unknown-linux"