diff --git a/pkgs/build-support/build-pecl.nix b/pkgs/build-support/build-pecl.nix
index d84497e8019c..727ed0c21975 100644
--- a/pkgs/build-support/build-pecl.nix
+++ b/pkgs/build-support/build-pecl.nix
@@ -1,6 +1,8 @@
 { stdenv, php, autoreconfHook }:
 
-args: stdenv.mkDerivation (args // {
+args@{ name, ... }: stdenv.mkDerivation (args // {
+  name = "php-${name}";
+
   buildInputs = [ php autoreconfHook ] ++ args.buildInputs or [];
 
   makeFlags = [ "EXTENSION_DIR=$(out)/lib/php/extensions" ] ++ args.makeFlags or [];
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index fadcb46b0f88..4dde2597d0b5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3523,9 +3523,9 @@ let
 
   php = php54;
 
-  phpPackages = import ./php-packages.nix {
+  phpPackages = recurseIntoAttrs (import ./php-packages.nix {
     inherit php pkgs;
-  };
+  });
 
   php53 = callPackage ../development/interpreters/php/5.3.nix { };