diff --git a/pkgs/packages/webserver/package.nix b/pkgs/packages/webserver/package.nix
index 00ebf58..2c79099 100644
--- a/pkgs/packages/webserver/package.nix
+++ b/pkgs/packages/webserver/package.nix
@@ -135,7 +135,7 @@ let
     });
   };
 
-  icons = stdenvNoCC.mkDerivation {
+  icons = stdenvNoCC.mkDerivation (drv: {
     pname = "tlaternet-icons";
     version = "1.0";
 
@@ -143,7 +143,9 @@ let
 
     dontUnpack = true;
 
-    nativeBuildInputs = [ inkscape ];
+    nativeBuildInputs = [
+      inkscape
+    ];
 
     buildPhase = ''
       inkscape -w 48 -h 48 $src --export-filename=favicon-48.png
@@ -154,7 +156,7 @@ let
       cp $src $out/icon.svg
       cp favicon-48.png $out/
     '';
-  };
+  });
 
   assets = symlinkJoin {
     name = "assets-${cargoMetadata.package.name}";