diff --git a/pkgs/applications/office/mmex/default.nix b/pkgs/applications/office/mmex/default.nix
index 7113997c90f..c5a4e93de78 100644
--- a/pkgs/applications/office/mmex/default.nix
+++ b/pkgs/applications/office/mmex/default.nix
@@ -1,35 +1,32 @@
-{ lib, stdenv, fetchgit, sqlite, wxGTK30, gettext, wrapGAppsHook }:
+{ lib, stdenv, fetchFromGitHub, sqlite, wxGTK30, gettext, wrapGAppsHook }:
 
-
-let
+stdenv.mkDerivation rec {
+  pname = "money-manager-ex";
   version = "1.3.3";
-in
-  stdenv.mkDerivation {
-    pname = "money-manager-ex";
-    inherit version;
 
-    src = fetchgit {
-      url = "https://github.com/moneymanagerex/moneymanagerex.git";
-      rev = "refs/tags/v${version}";
-      sha256 = "0r4n93z3scv0i0zqflsxwv7j4yl8jy3gr0m4l30y1q8qv0zj9n74";
-    };
+  src = fetchFromGitHub {
+    owner = "moneymanagerex";
+    repo = "moneymanagerex";
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-5NgkP9gY4eDBoKSC/IaXiHoiz+ZdU4c/iGAzPf5IlmQ=";
+  };
 
-    nativeBuildInputs = [
-      wrapGAppsHook
-    ];
+  nativeBuildInputs = [
+    wrapGAppsHook
+  ];
 
-    buildInputs = [
-      gettext
-      sqlite
-      wxGTK30
-      wxGTK30.gtk
-    ];
+  buildInputs = [
+    gettext
+    sqlite
+    wxGTK30
+    wxGTK30.gtk
+  ];
 
-    meta = {
-      description = "Easy-to-use personal finance software";
-      homepage = "https://www.moneymanagerex.org/";
-      license = lib.licenses.gpl2Plus;
-      maintainers = with lib.maintainers; [viric];
-      platforms = with lib.platforms; linux;
-    };
-  }
+  meta = {
+    description = "Easy-to-use personal finance software";
+    homepage = "https://www.moneymanagerex.org/";
+    license = lib.licenses.gpl2Plus;
+    maintainers = with lib.maintainers; [viric];
+    platforms = with lib.platforms; linux;
+  };
+}