diff --git a/pkgs/applications/science/chemistry/marvin/default.nix b/pkgs/applications/science/chemistry/marvin/default.nix
index 4228e818e488..e1e911e2d4df 100644
--- a/pkgs/applications/science/chemistry/marvin/default.nix
+++ b/pkgs/applications/science/chemistry/marvin/default.nix
@@ -1,14 +1,12 @@
 { lib, stdenv, fetchurl, dpkg, makeWrapper, coreutils, gawk, gnugrep, gnused, openjdk17 }:
 
-with lib;
-
 stdenv.mkDerivation rec {
   pname = "marvin";
   version = "23.17.0";
 
   src = fetchurl {
     name = "marvin-${version}.deb";
-    url = "http://dl.chemaxon.com/marvin/${version}/marvin_linux_${versions.majorMinor version}.deb";
+    url = "http://dl.chemaxon.com/marvin/${version}/marvin_linux_${lib.versions.majorMinor version}.deb";
     hash = "sha256-zE/9EaOsNJwzE4Doasm9N8QG4t7wDOxqpV/Nhc4p7Ws=";
   };
 
@@ -22,7 +20,7 @@ stdenv.mkDerivation rec {
     wrapBin() {
       makeWrapper $1 $out/bin/$(basename $1) \
         --set INSTALL4J_JAVA_HOME "${openjdk17}" \
-        --prefix PATH : ${makeBinPath [ coreutils gawk gnugrep gnused ]}
+        --prefix PATH : ${lib.makeBinPath [ coreutils gawk gnugrep gnused ]}
     }
     cp -r opt $out
     mkdir -p $out/bin $out/share/pixmaps $out/share/applications
@@ -33,12 +31,12 @@ stdenv.mkDerivation rec {
     for name in cxcalc cxtrain evaluate molconvert mview msketch; do
       wrapBin $out/opt/chemaxon/marvinsuite/bin/$name
     done
-    ${concatStrings (map (name: ''
+    ${lib.concatStrings (map (name: ''
       substitute ${./. + "/${name}.desktop"} $out/share/applications/${name}.desktop --subst-var out
     '') [ "LicenseManager" "MarvinSketch" "MarvinView" ])}
   '';
 
-  meta = {
+  meta = with lib; {
     description = "Chemical modelling, analysis and structure drawing program";
     homepage = "https://chemaxon.com/products/marvin";
     maintainers = with maintainers; [ fusion809 ];