diff --git a/pkgs/by-name/tp/tpnote/package.nix b/pkgs/by-name/tp/tpnote/package.nix
index 267b9766abdb..1f3410a9e14a 100644
--- a/pkgs/by-name/tp/tpnote/package.nix
+++ b/pkgs/by-name/tp/tpnote/package.nix
@@ -39,6 +39,10 @@ rustPlatform.buildRustPackage rec {
      SystemConfiguration
   ]);
 
+  postInstall = ''
+    installManPage docs/build/man/man1/tpnote.1
+  '';
+
   RUSTONIG_SYSTEM_LIBONIG = true;
 
   passthru.tests.version = testers.testVersion { package = tpnote; };