diff --git a/pkgs/applications/audio/magnetophonDSP/MBdistortion/default.nix b/pkgs/applications/audio/magnetophonDSP/MBdistortion/default.nix
index f951486e3fa3..32f43eaed9cb 100644
--- a/pkgs/applications/audio/magnetophonDSP/MBdistortion/default.nix
+++ b/pkgs/applications/audio/magnetophonDSP/MBdistortion/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, faust2jaqt, faust2lv2 }:
+{ lib, stdenv, fetchFromGitHub, fetchpatch, faust2jaqt, faust2lv2 }:
 stdenv.mkDerivation rec {
   pname = "MBdistortion";
   version = "1.1.1";
@@ -10,6 +10,13 @@ stdenv.mkDerivation rec {
     sha256 = "0mdzaqmxzgspfgx9w1hdip18y17hwpdcgjyq1rrfm843vkascwip";
   };
 
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/magnetophon/MBdistortion/commit/10e35084b88c559f1b63760cf40fd5ef5a6745a5.patch";
+      sha256 = "0hwjl3rzvn3id0sr0qs8f37jdmr915mdan8miaf78ra0ir3wnk76";
+    })
+  ];
+
   buildInputs = [ faust2jaqt faust2lv2 ];
 
   buildPhase = ''