diff --git a/pkgs/by-name/cl/claude-code/package.nix b/pkgs/by-name/cl/claude-code/package.nix
index 1b8c63bcab41..cfd075b0e2a4 100644
--- a/pkgs/by-name/cl/claude-code/package.nix
+++ b/pkgs/by-name/cl/claude-code/package.nix
@@ -40,7 +40,7 @@ buildNpmPackage (finalAttrs: {
   postInstall = ''
     wrapProgram $out/bin/claude \
       --set DISABLE_AUTOUPDATER 1 \
-      --set DISABLE_INSTALLATION_CHECKS 1
+      --set DISABLE_INSTALLATION_CHECKS 1 \
       --unset DEV \
       --prefix PATH : ${
         lib.makeBinPath (