diff --git a/ghc-zlib.spec b/ghc-zlib.spec
index 817d5c0..63e9696 100644
--- a/ghc-zlib.spec
+++ b/ghc-zlib.spec
@@ -20,7 +20,7 @@ Source: http://hackage.haskell.org/packages/archive/%{pkg_name}/%{version}/%{pkg
 Summary: Haskell compression and decompression library binding
 Provides: %{name}-devel = %{version}-%{release}
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-ExclusiveArch:	i386 x86_64 ppc
+ExclusiveArch: i386 x86_64 ppc
 BuildRequires: ghc = %{ghc_version}
 %if %{with doc}
 BuildRequires:  ghc-doc = %{ghc_version}