diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3b781fc768a1..58185dee3cf2 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5088,7 +5088,7 @@ let
   bundlerEnv = callPackage ../development/interpreters/ruby/bundler-env { };
 
   ruby_1_8_7 = callPackage ../development/interpreters/ruby/ruby-1.8.7.nix { };
-  inherit (callPackages ../development/interpreters/ruby {})
+  inherit (callPackage ../development/interpreters/ruby {})
     # TODO: uncomment when ruby_1_8_7 doesn't need autoconf
     # ruby_1_8_7
     ruby_1_9_3