diff --git a/pkgs/tools/misc/mtm/default.nix b/pkgs/tools/misc/mtm/default.nix
index bc8ac50d1ae..c142c1f2903 100644
--- a/pkgs/tools/misc/mtm/default.nix
+++ b/pkgs/tools/misc/mtm/default.nix
@@ -2,28 +2,29 @@
 
 stdenv.mkDerivation rec {
   pname = "mtm";
-  version = "1.2.0";
+  version = "1.2.1";
+
+  outputs = [ "out" "terminfo" ];
 
   src = fetchFromGitHub {
     owner = "deadpixi";
     repo = pname;
     rev = version;
-    sha256 = "0b2arkmbmabxmrqxlpvvvhll2qx0xgj7r4r6p0ymnm9p70idris4";
+    sha256 = "0gibrvah059z37jvn1qs4b6kvd4ivk2mfihmcpgx1vz6yg70zghv";
   };
 
   buildInputs = [ ncurses ];
 
-  preBuild = ''
-    substituteInPlace Makefile --replace "strip -s mtm" ""
+  makeFlags = [ "DESTDIR=${placeholder "out"}" "MANDIR=${placeholder "out"}/share/man/man1" ];
+
+  preInstall = ''
+    mkdir -p $out/bin/ $out/share/man/man1
   '';
 
-  installPhase = ''
-    runHook preInstall
-
-    install -Dm755 -t $out/bin mtm
-    install -Dm644 -t $out/share/man/man1 mtm.1
-
-    runHook postInstall
+  postInstall = ''
+    mkdir -p $terminfo/share/terminfo $out/nix-support
+    tic -x -o $terminfo/share/terminfo mtm.ti
+    echo "$terminfo" >> $out/nix-support/propagated-user-env-packages
   '';
 
   meta = with lib; {