diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f800aaa51d77..a37e20dcea1a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1146,7 +1146,7 @@ with pkgs;
             fetchurl = stdenv.fetchurlBoot;
           };
         });
-        perl = buildPackages.perl.override { fetchurl = stdenv.fetchurlBoot; };
+        perl = buildPackages.perl.override { inherit zlib; fetchurl = stdenv.fetchurlBoot; };
         openssl = buildPackages.openssl.override {
           fetchurl = stdenv.fetchurlBoot;
           buildPackages = {
@@ -1154,7 +1154,7 @@ with pkgs;
               fetchurl = stdenv.fetchurlBoot;
               inherit perl;
               xz = buildPackages.xz.override { fetchurl = stdenv.fetchurlBoot; };
-              gmp = null;
+              gmpSupport = false;
               aclSupport = false;
               attrSupport = false;
             };