diff --git a/ghc-call-stack.spec b/ghc-call-stack.spec
index d94ceaf..4247380 100644
--- a/ghc-call-stack.spec
+++ b/ghc-call-stack.spec
@@ -24,7 +24,7 @@ Release:        0
 Summary:        Use GHC call-stacks in a backward compatible way
 License:        MIT
 Group:          Development/Languages/Haskell
-Url:            https://hackage.haskell.org/package/%{pkg_name}
+URL:            https://hackage.haskell.org/package/%{pkg_name}
 Source0:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/%{pkg_name}-%{version}.tar.gz
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros