diff --git a/nix/pkgs/copybara.nix b/nix/pkgs/copybara.nix
index 26c57dfcf6..49bb17db1f 100644
--- a/nix/pkgs/copybara.nix
+++ b/nix/pkgs/copybara.nix
@@ -12,7 +12,7 @@ buildBazelPackage rec {
 
   nativeBuildInputs = [ git mercurial openjdk11_headless makeWrapper ];
 
-  bazelTarget = "//java/com/google/copybara:copybara_deploy.jar";
+  bazelTargets = [ "//java/com/google/copybara:copybara_deploy.jar" ];
   removeRulesCC = false;
   fetchConfigured = true;
   bazelFlags = [