diff --git a/pkgs/misc/vim-plugins/default.nix b/pkgs/misc/vim-plugins/default.nix
index 87d57e44182..c871e422638 100644
--- a/pkgs/misc/vim-plugins/default.nix
+++ b/pkgs/misc/vim-plugins/default.nix
@@ -5,7 +5,7 @@
 , python3, boost, icu
 , ycmd
 , pythonPackages, python3Packages
-, Cocoa ? null
+, Cocoa ? null, git
 }:
 
 let
@@ -1775,11 +1775,10 @@ rec {
       sha256 = "15wil973sqfgvix9li15qk49kv9l3rn8zqis2cl71k6xh1xvd9ff";
     };
     dependencies = [];
-    buildInputs = [ perl ruby ];
+    buildInputs = [ perl ruby git ];
     buildPhase = ''
       pushd ruby/command-t
-      ruby extconf.rb
-      make
+      gem build ./command-t.gemspec
       popd
     '';
   };
diff --git a/pkgs/misc/vim-plugins/vim2nix/additional-nix-code/command-t b/pkgs/misc/vim-plugins/vim2nix/additional-nix-code/command-t
index a29c602b5d7..57aa35999dc 100644
--- a/pkgs/misc/vim-plugins/vim2nix/additional-nix-code/command-t
+++ b/pkgs/misc/vim-plugins/vim2nix/additional-nix-code/command-t
@@ -1,7 +1,6 @@
     buildInputs = [ perl ruby ];
     buildPhase = ''
       pushd ruby/command-t
-      ruby extconf.rb
-      make
+      gem build command-t.gemspec
       popd
     '';