diff --git a/nix/continue.nix b/nix/continue.nix
index 995425e..6f56aef 100644
--- a/nix/continue.nix
+++ b/nix/continue.nix
@@ -90,7 +90,7 @@ let
       script = [
         "packer init sources"
         "packer build -only=\"hyperv-iso.amd64\" -var-file=\"\${distro}\" -var build=\${BUILD} -var cpus=2 -var memory=4096 \${EXCEPT} sources"
-        "if (-not $?) { throw \"Error in build\")"
+        "if (-not $?) { throw \"Error in build\" }"
       ];
     };
   };