diff --git a/pkgs/development/tools/parsing/hammer/default.nix b/pkgs/development/tools/parsing/hammer/default.nix
index 35a737a3199..34807c360ce 100644
--- a/pkgs/development/tools/parsing/hammer/default.nix
+++ b/pkgs/development/tools/parsing/hammer/default.nix
@@ -3,6 +3,7 @@
 stdenv.mkDerivation rec {
 
 name = "hammer-${version}";
+
 version = "1.0.0-rc3";
 
 src = fetchgit {