diff --git a/pkgs/applications/version-management/git-and-tools/git-ignore/default.nix b/pkgs/applications/version-management/git-and-tools/git-ignore/default.nix
index 7d5b779e34ed..df1f007faa75 100644
--- a/pkgs/applications/version-management/git-and-tools/git-ignore/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/git-ignore/default.nix
@@ -21,9 +21,10 @@ buildRustPackage rec {
     darwin.apple_sdk.frameworks.Security
   ];
 
+  outputs = [ "out" "man" ];
   preFixup = ''
-    mkdir -p "$out/man/man1"
-    cp target/release/build/git-ignore-*/out/git-ignore.1 "$out/man/man1/"
+    mkdir -p "$man/man/man1"
+    cp target/release/build/git-ignore-*/out/git-ignore.1 "$man/man/man1/"
   '';
 
   meta = with stdenv.lib; {