diff --git a/pkgs/applications/networking/mumble/default.nix b/pkgs/applications/networking/mumble/default.nix
index dd4491be3410..d8029f02a6f0 100644
--- a/pkgs/applications/networking/mumble/default.nix
+++ b/pkgs/applications/networking/mumble/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchgit, pkgconfig
+{ stdenv, fetchurl, fetchgit, fetchpatch, pkgconfig
 , qt4, qmake4Hook, qt5, avahi, boost, libopus, libsndfile, protobuf, speex, libcap
 , alsaLib, python
 , jackSupport ? false, libjack2 ? null
@@ -17,7 +17,7 @@ let
   generic = overrides: source: stdenv.mkDerivation (source // overrides // {
     name = "${overrides.type}-${source.version}";
 
-    patches = optional jackSupport ./mumble-jack-support.patch;
+    patches = (source.patches or []) ++ optional jackSupport ./mumble-jack-support.patch;
 
     nativeBuildInputs = [ pkgconfig python ]
       ++ { qt4 = [ qmake4Hook ]; qt5 = [ qt5.qmake ]; }."qt${toString source.qtVersion}"
@@ -116,6 +116,13 @@ let
       url = "https://github.com/mumble-voip/mumble/releases/download/${version}/mumble-${version}.tar.gz";
       sha256 = "1s60vaici3v034jzzi20x23hsj6mkjlc0glipjq4hffrg9qgnizh";
     };
+
+    # Fix compile error against boost 1.66 (#33655):
+    patches = singleton (fetchpatch {
+      url = "https://github.com/mumble-voip/mumble/commit/"
+          + "ea861fe86743c8402bbad77d8d1dd9de8dce447e.patch";
+      sha256 = "1r50dc8dcl6jmbj4abhnay9div7y56kpmajzqd7ql0pm853agwbh";
+    });
   };
 
   gitSource = rec {