diff --git a/pkgs/tools/package-management/home-manager/default.nix b/pkgs/tools/package-management/home-manager/default.nix
index 3fb14f99faf66..793c7cfae32d1 100644
--- a/pkgs/tools/package-management/home-manager/default.nix
+++ b/pkgs/tools/package-management/home-manager/default.nix
@@ -28,12 +28,15 @@ stdenv.mkDerivation rec {
       --subst-var-by gnused "${gnused}" \
       --subst-var-by less "${less}" \
       --subst-var-by HOME_MANAGER_PATH '${src}'
+
+    install -D -m755 home-manager/completion.bash \
+      "$out/share/bash-completion/completions/home-manager"
   '';
 
   meta = with stdenv.lib; {
     description = "A user environment configurator";
     maintainers = with maintainers; [ rycee ];
-    platforms = platforms.linux;
+    platforms = platforms.unix;
     license = licenses.mit;
   };