diff --git a/pkgs/applications/misc/qlcplus/default.nix b/pkgs/applications/misc/qlcplus/default.nix
index 721c95c028b..261a597f8d7 100644
--- a/pkgs/applications/misc/qlcplus/default.nix
+++ b/pkgs/applications/misc/qlcplus/default.nix
@@ -1,4 +1,4 @@
-{ lib, mkDerivation, fetchFromGitHub, qmake, pkg-config, udev
+{ lib, mkDerivation, fetchFromGitHub, fetchpatch, qmake, pkg-config, udev
 , qtmultimedia, qtscript, alsaLib, ola, libftdi1, libusb-compat-0_1
 , libsndfile, libmad
 }:
@@ -14,6 +14,14 @@ mkDerivation rec {
     sha256 = "PB1Y8N1TrJMcS7A2e1nKjsUlAxOYjdJqBhbyuDCAbGs=";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "qt5.15-deprecation-fixes.patch";
+      url = "https://github.com/mcallegari/qlcplus/commit/e4ce4b0226715876e8e9e3b23785d43689b2bb64.patch";
+      sha256 = "1zhrg6ava1nyc97xcx75r02zzkxmar0973w4jwkm5ch3iqa8bqnh";
+    })
+  ];
+
   nativeBuildInputs = [ qmake pkg-config ];
   buildInputs = [
     udev qtmultimedia qtscript alsaLib ola libftdi1 libusb-compat-0_1 libsndfile libmad