diff --git a/Main.hs b/Main.hs
--- a/Main.hs
+++ b/Main.hs
@@ -325,7 +325,7 @@
     , arch_makedepends = (arch_makedepends emptyPkgBuild)
                             `mappend`
                          ArchList
-                             [ ArchDep (Dependency ("haskell" <-> d) v)
+                             [ ArchDep (Dependency ("haskell" <-> map toLower d) v)
                              | Dependency d v <- buildDepends cabal ]
 
     -- need the dependencies of all flags that are on by default, for all libraries and executables
diff --git a/cabal2arch.cabal b/cabal2arch.cabal
--- a/cabal2arch.cabal
+++ b/cabal2arch.cabal
@@ -1,5 +1,5 @@
 name:               cabal2arch
-version:            0.2.1.1
+version:            0.2.2
 homepage:           http://code.haskell.org/~dons/code/cabal2arch
 synopsis:           Create Arch Linux packages from Cabal packages
 description:        Create Arch Linux packages from Cabal packages