diff --git a/pkgs/by-name/di/diffoci/package.nix b/pkgs/by-name/di/diffoci/package.nix
index c93faacefaf7..38427f28784e 100644
--- a/pkgs/by-name/di/diffoci/package.nix
+++ b/pkgs/by-name/di/diffoci/package.nix
@@ -37,7 +37,7 @@ buildGoModule rec {
           buildPackages.diffoci;
     in
     ''
-      installShellCompletion --cmd trivy \
+      installShellCompletion --cmd diffoci \
         --bash <(${diffoci}/bin/diffoci completion bash) \
         --fish <(${diffoci}/bin/diffoci completion fish) \
         --zsh <(${diffoci}/bin/diffoci completion zsh)