diff --git a/ghc.spec b/ghc.spec
index 30a70ba..5f13013 100644
--- a/ghc.spec
+++ b/ghc.spec
@@ -18,6 +18,9 @@ Source0:       http://haskell.org/ghc/dist/%{version}/%{name}-%{version}-src.tar
 Source1:       http://haskell.org/ghc/dist/%{version}/%{name}-%{version}-src-extralibs.tar.bz2
 Patch0:        ghc-optional-openal.patch
 URL:           http://haskell.org/ghc/
+%if 0%suse_version > 1000
+Requires:      gmp-devel
+%endif
 Requires:      update-alternatives
 %if 0%suse_version >= 1030
 Requires:       licenses