diff --git a/pkgs/applications/version-management/git-credential-oauth/default.nix b/pkgs/applications/version-management/git-credential-oauth/default.nix
index 66d2439a00ed..c818874392af 100644
--- a/pkgs/applications/version-management/git-credential-oauth/default.nix
+++ b/pkgs/applications/version-management/git-credential-oauth/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildGoModule, fetchFromGitHub }:
+{ lib, buildGoModule, fetchFromGitHub, installShellFiles }:
 
 buildGoModule rec {
   pname = "git-credential-oauth";
@@ -11,6 +11,8 @@ buildGoModule rec {
     hash = "sha256-bqyoAAqli0L6Kf+W1sTh2vmmfaIj2OdpQyvQZnYOWWA=";
   };
 
+  nativeBuildInputs = [ installShellFiles ];
+
   ldflags = [
     "-s"
     "-w"
@@ -19,6 +21,10 @@ buildGoModule rec {
 
   vendorHash = "sha256-cCqbEv4kBnF6FWvfaXCOxadPVXR/AxXS3nXHf6WmsSs=";
 
+  postInstall = ''
+    installManPage $src/git-credential-oauth.1
+  '';
+
   meta = {
     description = "Git credential helper that securely authenticates to GitHub, GitLab and BitBucket using OAuth";
     homepage = "https://github.com/hickford/git-credential-oauth";