diff --git a/lib/lists.nix b/lib/lists.nix
index 2dda700bef3b..540f8c40760f 100644
--- a/lib/lists.nix
+++ b/lib/lists.nix
@@ -236,6 +236,6 @@ rec {
   # Intersects list 'e' and another list
   intersect = e: filter (x: elem x e);
 
-  # Substracts list 'e' from another list
-  substract = e: filter (x: !(elem x e));
+  # Subtracts list 'e' from another list
+  subtract = e: filter (x: !(elem x e));
 }
diff --git a/pkgs/development/web/nodejs/build-node-package.nix b/pkgs/development/web/nodejs/build-node-package.nix
index 663864109e88..36f80c635b78 100644
--- a/pkgs/development/web/nodejs/build-node-package.nix
+++ b/pkgs/development/web/nodejs/build-node-package.nix
@@ -67,7 +67,7 @@ let
           if filterPlatforms == [] then platforms
           else
             if hasPrefix "!" entry then
-              substract (intersect filterPlatforms nodejs.meta.platforms) platforms
+              subtract (intersect filterPlatforms nodejs.meta.platforms) platforms
             else
               platforms ++ (intersect filterPlatforms nodejs.meta.platforms)
       ) [] os;