diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2e4a04cef97..8227a49c0b4 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2477,11 +2477,11 @@ let
     inherit fetchurl stdenv perl;
   };
 
-  libtool = import ../development/tools/misc/libtool {
+  libtool_1_5 = import ../development/tools/misc/libtool {
     inherit fetchurl stdenv perl m4;
   };
 
-  libtool2 = import ../development/tools/misc/libtool/libtool2.nix {
+  libtool = import ../development/tools/misc/libtool/libtool2.nix {
     inherit fetchurl stdenv lzma perl m4;
   };