diff --git a/pkgs/applications/misc/tootle/default.nix b/pkgs/applications/misc/tootle/default.nix
index e747531b9e75..8db055481ccd 100644
--- a/pkgs/applications/misc/tootle/default.nix
+++ b/pkgs/applications/misc/tootle/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub
+{ stdenv, fetchFromGitHub, fetchpatch
 , vala, meson, ninja, pkgconfig, python3, libgee, gsettings-desktop-schemas
 , gnome3, pantheon, gobject-introspection, wrapGAppsHook
 , gtk3, json-glib, glib, glib-networking
@@ -31,6 +31,15 @@ in stdenv.mkDerivation {
     libgee gnome3.libsoup gsettings-desktop-schemas
   ];
 
+  patches = [
+    # Fix build with Vala 0.46
+    # https://github.com/bleakgrey/tootle/pull/164
+    (fetchpatch {
+      url = "https://github.com/worldofpeace/tootle/commit/0a88bdad6d969ead1e4058b1a19675c9d6857b16.patch";
+      sha256 = "0xyx00pgswnhxxbsxngsm6khvlbfcl6ic5wv5n64x7klk8rzh6cm";
+    })
+  ];
+
   postPatch = ''
     chmod +x ./meson/post_install.py
     patchShebangs ./meson/post_install.py