diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 121f21037333..0c7d6a3ed8dd 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -951,6 +951,7 @@ self: super: {
 
   # Generate shell completion.
   cabal2nix = generateOptparseApplicativeCompletion "cabal2nix" super.cabal2nix;
+  niv = generateOptparseApplicativeCompletion "niv" super.niv;
   stack = generateOptparseApplicativeCompletion "stack" super.stack;
 
   # musl fixes