diff --git a/haskell-platform.spec b/haskell-platform.spec
index 89c129a..4ea02cb 100644
--- a/haskell-platform.spec
+++ b/haskell-platform.spec
@@ -6,6 +6,7 @@
 distilled from Hackage.
 
 %bcond_without shared
+%bcond_without hscolour
 
 %global upstream_version 2010.2.0.0
 
@@ -57,6 +58,9 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 ExclusiveArch:  %{ix86} x86_64 ppc alpha
 BuildRequires:  ghc, ghc-prof
 BuildRequires:  ghc-rpm-macros >= 0.8.1
+%if %{with hscolour}
+BuildRequires:  hscolour
+%endif
 %platform_progs Build
 %platform_libs devel Build
 %platform_progs
@@ -159,6 +163,7 @@ fi
 %changelog
 * Fri Nov 26 2010 Jens Petersen <petersen@redhat.com> - 2010.2.0.0.701-1
 - bump some versions for ghc-7.0.1
+- add hscolour
 
 * Fri Jul 23 2010 Jens Petersen <petersen@redhat.com> - 2010.2.0.0-1
 - update to 2010.2.0.0 final release (no actual changes)