diff --git a/pkgs/applications/video/obs-studio/plugins/obs-multi-rtmp/default.nix b/pkgs/applications/video/obs-studio/plugins/obs-multi-rtmp/default.nix
index 5a29921b932b..c2e718b233ab 100644
--- a/pkgs/applications/video/obs-studio/plugins/obs-multi-rtmp/default.nix
+++ b/pkgs/applications/video/obs-studio/plugins/obs-multi-rtmp/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, obs-studio, cmake, qtbase }:
+{ lib, stdenv, fetchFromGitHub, obs-studio, cmake, qtbase, fetchpatch }:
 
 stdenv.mkDerivation rec {
   pname = "obs-multi-rtmp";
@@ -11,6 +11,15 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-MRBQY9m6rj8HVdn58mK/Vh07FSm0EglRUaP20P3FFO4=";
   };
 
+  patches = [
+    # Fix finding QT. Remove after next release.
+    (fetchpatch {
+      url = "https://github.com/sorayuki/obs-multi-rtmp/commit/a1289fdef404b08a7acbbf0d6d0f93da4c9fc087.patch";
+      hash = "sha256-PDkR315y0iem1+LAqGmiqBFUiMBeEgnFW/xd1W2bAu4=";
+      includes = [ "CMakeLists.txt" ];
+    })
+  ];
+
   nativeBuildInputs = [ cmake ];
   buildInputs = [ obs-studio qtbase ];