diff --git a/pkgs/applications/version-management/jujutsu/default.nix b/pkgs/applications/version-management/jujutsu/default.nix
index 8aae1ba1311c..9503c79e04d0 100644
--- a/pkgs/applications/version-management/jujutsu/default.nix
+++ b/pkgs/applications/version-management/jujutsu/default.nix
@@ -58,9 +58,9 @@ rustPlatform.buildRustPackage rec {
     installManPage ./jj.1
 
     installShellCompletion --cmd jj \
-      --bash <($out/bin/jj util completion --bash) \
-      --fish <($out/bin/jj util completion --fish) \
-      --zsh <($out/bin/jj util completion --zsh)
+      --bash <($out/bin/jj util completion bash) \
+      --fish <($out/bin/jj util completion fish) \
+      --zsh <($out/bin/jj util completion zsh)
   '';
 
   passthru = {