diff --git a/nix/pkgs/copybara.nix b/nix/pkgs/copybara.nix
index 24b02c1acc..c272f229ea 100644
--- a/nix/pkgs/copybara.nix
+++ b/nix/pkgs/copybara.nix
@@ -3,6 +3,9 @@
 # SPDX-License-Identifier: Apache-2.0
 
 { pkgs, ... }:
+let
+  jdk = pkgs.openjdk11_headless;
+in
 pkgs.buildBazelPackage rec {
   name = "copybara";
   version = "master";
@@ -30,7 +33,7 @@ pkgs.buildBazelPackage rec {
     installPhase = ''
       mkdir -p $out/bin $out/share/java
       install -Dm755 bazel-bin/java/com/google/copybara/copybara_deploy.jar $out/share/java/copybara.jar
-      makeWrapper ${pkgs.openjdk_headless}/bin/java $out/bin/copybara \
+      makeWrapper ${pkgs.jdk}/bin/java $out/bin/copybara \
         --add-flags "-cp $out/share/java/copybara.jar com.google.copybara.Main"
     '';
   };