diff --git a/ghc-asn1-types.spec b/ghc-asn1-types.spec
index 71b75dc..8c44cb4 100644
--- a/ghc-asn1-types.spec
+++ b/ghc-asn1-types.spec
@@ -23,7 +23,7 @@ Release:        0
 Summary:        ASN.1 types
 License:        BSD-3-Clause
 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-bytestring-devel