diff --git a/pkgs/by-name/ad/adoptopenjdk-icedtea-web/package.nix b/pkgs/by-name/ad/adoptopenjdk-icedtea-web/package.nix
index ddbd9a2d9f0c..6695557259d2 100644
--- a/pkgs/by-name/ad/adoptopenjdk-icedtea-web/package.nix
+++ b/pkgs/by-name/ad/adoptopenjdk-icedtea-web/package.nix
@@ -62,8 +62,10 @@ stdenv.mkDerivation (finalAttrs: {
     touch $XDG_CONFIG_HOME/icedtea-web/deployment.properties
   '';
 
-  HOME = "/build";
-  XDG_CONFIG_HOME = "/build";
+  env = {
+    HOME = "/build";
+    XDG_CONFIG_HOME = "/build";
+  };
 
   configureFlags = [
     "--with-itw-libs=DISTRIBUTION"