diff --git a/pkgs/development/python-modules/m3u8/default.nix b/pkgs/development/python-modules/m3u8/default.nix
index bc2233cf0d29..e69bf61657fa 100644
--- a/pkgs/development/python-modules/m3u8/default.nix
+++ b/pkgs/development/python-modules/m3u8/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchFromGitHub, requests, iso8601, bottle, pytestCheckHook }:
+{ lib, buildPythonPackage, fetchFromGitHub, fetchpatch, requests, iso8601, bottle, pytestCheckHook }:
 
 buildPythonPackage rec {
   pname = "m3u8";
@@ -11,6 +11,14 @@ buildPythonPackage rec {
     sha256 = "sha256-EfHhmV2otEgEy2OVohS+DF7dk97GFdWZ4cFCERZBmlA=";
   };
 
+  patches = [
+    # Fix hardcoded /tmp dir (fix build on Hydra)
+    (fetchpatch {
+      url = "https://github.com/globocom/m3u8/commit/cf7ae5fda4681efcea796cd7c51c02f152c36009.patch";
+      sha256 = "sha256-SEETpIJQddid8D//6DVrSGs/BqDeMOzufE0bBrm+/xY=";
+    })
+  ];
+
   propagatedBuildInputs = [ requests iso8601 ];
 
   checkInputs = [ bottle pytestCheckHook ];
@@ -21,11 +29,6 @@ buildPythonPackage rec {
     "tests/test_variant_m3u8.py"
   ];
 
-  preCheck = ''
-    # Fix test on Hydra
-    substituteInPlace tests/test_model.py --replace "/tmp/d.m3u8" "$TMPDIR/d.m3u8"
-  '';
-
   meta = with lib; {
     homepage = "https://github.com/globocom/m3u8";
     description = "Python m3u8 parser";