diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 168a7fa8291..6caf30612d1 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -7627,6 +7627,7 @@ let self = _self // overrides; _self = with self; {
       url = mirror://cpan/authors/id/I/IS/ISAAC/libapreq2-2.13.tar.gz;
       sha256 = "5731e6833b32d88e4a5c690e45ddf20fcf969ce3da666c5627d775e92da0cf6e";
     };
+    outputs = [ "out" ];
     buildInputs = [ ApacheTest ExtUtilsXSBuilder mod_perl2 pkgs.apacheHttpd pkgs.apr pkgs.aprutil ];
     propagatedBuildInputs = [ mod_perl2 ];
     makeMakerFlags = "--with-apache2-src=${pkgs.apacheHttpd.dev} --with-apache2-apxs=${pkgs.apacheHttpd.dev}/bin/apxs --with-apache2-httpd=${pkgs.apacheHttpd.out}/bin/httpd --with-apr-config=${pkgs.apr.dev}/bin/apr-1-config --with-apu-config=${pkgs.aprutil.dev}/bin/apu-1-config";