diff --git a/ghc-bencode.spec b/ghc-bencode.spec
index 87e046d..c589c35 100644
--- a/ghc-bencode.spec
+++ b/ghc-bencode.spec
@@ -1,7 +1,8 @@
-# generated by cabal-rpm-0.10.0
+# generated by cabal-rpm-0.12.1
 # https://fedoraproject.org/wiki/Packaging:Haskell
 
 %global pkg_name bencode
+%global pkgver %{pkg_name}-%{version}
 
 Name:           ghc-%{pkg_name}
 Version:        0.6.0.0
@@ -10,7 +11,7 @@ Summary:        Parser and printer for bencoded data
 
 License:        BSD
 Url:            https://hackage.haskell.org/package/%{pkg_name}
-Source0:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/%{pkg_name}-%{version}.tar.gz
+Source0:        https://hackage.haskell.org/package/%{pkgver}/%{pkgver}.tar.gz
 
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
@@ -32,9 +33,12 @@ data.
 %package devel
 Summary:        Haskell %{pkg_name} library development files
 Provides:       %{name}-static = %{version}-%{release}
+Provides:       %{name}-doc = %{version}-%{release}
+%if %{defined ghc_version}
 Requires:       ghc-compiler = %{ghc_version}
 Requires(post): ghc-compiler = %{ghc_version}
 Requires(postun): ghc-compiler = %{ghc_version}
+%endif
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 
 %description devel
@@ -42,7 +46,7 @@ This package provides the Haskell %{pkg_name} library development files.
 
 
 %prep
-%setup -q -n %{pkg_name}-%{version}
+%setup -q -n %{pkgver}
 
 
 %build