diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 2ef8b156e91f..f7061a7d0cd1 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -18,7 +18,7 @@ rec {
     buildPerlPackage (args // {
       buildInputs = buildInputs ++ [ ModuleBuild ];
       preConfigure = "touch Makefile.PL";
-      buildPhase = "perl Build.PL --prefix=$out";
+      buildPhase = "perl Build.PL --prefix=$out; ./Build build";
       installPhase = "./Build install";
       checkPhase = "./Build test";
     });