diff --git a/pkgs/applications/window-managers/larswm/default.nix b/pkgs/applications/window-managers/larswm/default.nix
index 3cd3e18b13b..e3fa4f9fc71 100644
--- a/pkgs/applications/window-managers/larswm/default.nix
+++ b/pkgs/applications/window-managers/larswm/default.nix
@@ -12,7 +12,8 @@ stdenv.mkDerivation {
 
   configurePhase = ''
     xmkmf
-    makeFlags="BINDIR=$out/bin"
+    makeFlags="BINDIR=$out/bin MANPATH=$out/share/man"
+    installTargets="install install.man"
   '';
 
   meta = {