diff --git a/pkgs/applications/video/mythtv/default.nix b/pkgs/applications/video/mythtv/default.nix
index cf307f0da34e..117212813594 100644
--- a/pkgs/applications/video/mythtv/default.nix
+++ b/pkgs/applications/video/mythtv/default.nix
@@ -1,32 +1,41 @@
-{ lib, mkDerivation, fetchFromGitHub, which, qtbase, qtwebkit, qtscript, xlibsWrapper
+{ lib, mkDerivation, fetchFromGitHub, fetchpatch, which, qtbase, qtwebkit, qtscript, xlibsWrapper
 , libpulseaudio, fftwSinglePrec , lame, zlib, libGLU, libGL, alsa-lib, freetype
 , perl, pkg-config , libsamplerate, libbluray, lzo, libX11, libXv, libXrandr, libXvMC, libXinerama, libXxf86vm
-, libXmu , yasm, libuuid, taglib, libtool, autoconf, automake, file, exiv2, linuxHeaders
+, libXmu , yasm, libuuid, taglib, libtool, autoconf, automake, file, exiv2, linuxHeaders, soundtouch, libzip
+, withWebKit ? false
 }:
 
 mkDerivation rec {
   pname = "mythtv";
-  version = "31.0";
+  version = "32.0";
 
   src = fetchFromGitHub {
     owner = "MythTV";
     repo = "mythtv";
     rev = "v${version}";
-    sha256 = "092w5kvc1gjz6jd2lk2jhcazasz2h3xh0i5iq80k8x3znyp4i6v5";
+    sha256 = "0i4fs3rbk1jggh62wflpa2l03na9i1ihpz2vsdic9vfahqqjxff1";
   };
 
   patches = [
-    # Disables OS detection used while checking if enforce_wshadow should be disabled.
-    ./disable-os-detection.patch
+    # Disable sourcing /etc/os-release
+    ./dont-source-os-release.patch
+
+    # Fix QMake variable substitution syntax - MythTV/mythtv#550
+    (fetchpatch {
+      name = "fix-qmake-var-syntax.patch";
+      url = "https://github.com/MythTV/mythtv/commit/a8da7f7e7ec069164adbef65a8104adc9bb52e36.patch";
+      stripLen = 1;
+      hash = "sha256-JfRME00YNNjl6SKs1HBa0wBa/lR/Rt3zbQtWhsC36JM=";
+    })
   ];
 
   setSourceRoot = "sourceRoot=$(echo */mythtv)";
 
   buildInputs = [
-    freetype qtbase qtwebkit qtscript lame zlib xlibsWrapper libGLU libGL
+    freetype qtbase qtscript lame zlib xlibsWrapper libGLU libGL
     perl libsamplerate libbluray lzo alsa-lib libpulseaudio fftwSinglePrec libX11 libXv libXrandr libXvMC
-    libXmu libXinerama libXxf86vm libXmu libuuid taglib exiv2
-  ];
+    libXmu libXinerama libXxf86vm libXmu libuuid taglib exiv2 soundtouch libzip
+  ] ++ lib.optional withWebKit qtwebkit;
   nativeBuildInputs = [ pkg-config which yasm libtool autoconf automake file ];
 
   configureFlags =
diff --git a/pkgs/applications/video/mythtv/disable-os-detection.patch b/pkgs/applications/video/mythtv/disable-os-detection.patch
deleted file mode 100644
index 09ce6f6ca4f8..000000000000
--- a/pkgs/applications/video/mythtv/disable-os-detection.patch
+++ /dev/null
@@ -1,31 +0,0 @@
---- a/configure	2020-07-21 20:50:58.653989766 +0200
-+++ b/configure	2020-07-21 20:52:21.236610586 +0200
-@@ -6537,17 +6537,17 @@
-                 }
- 
- enable enforce_wshadow
--case $target_os in
--    android)
--        disable enforce_wshadow
--        ;;
--    linux)
--        . /etc/os-release
--        if test $ID = "centos"; then
--            disable enforce_wshadow
--        fi
--        ;;
--esac
-+#case $target_os in
-+#    android)
-+#        disable enforce_wshadow
-+#        ;;
-+#    linux)
-+#        . /etc/os-release
-+#        if test $ID = "centos"; then
-+#            disable enforce_wshadow
-+#        fi
-+#        ;;
-+#esac
- 
- if $(pkg-config --exists Qt5WebKit) || $(pkg-config --exists QtWebKit) ; then
-     enable qtwebkit
diff --git a/pkgs/applications/video/mythtv/dont-source-os-release.patch b/pkgs/applications/video/mythtv/dont-source-os-release.patch
new file mode 100644
index 000000000000..fb4dc686af6a
--- /dev/null
+++ b/pkgs/applications/video/mythtv/dont-source-os-release.patch
@@ -0,0 +1,15 @@
+--- a/configure
++++ b/configure
+@@ -5894,9 +5894,9 @@ else
+     die "ERROR: cannot find soundtouch 1.8.0 or later."
+ fi
+ 
+-if [ $target_os = "linux" ] ; then
+-    . /etc/os-release
+-fi
++# if [ $target_os = "linux" ] ; then
++#     . /etc/os-release
++# fi
+ 
+ # libudfread
+ if enabled system_libudfread ; then
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ed7f7bd924b5..d06d455c9210 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -30973,7 +30973,7 @@ with pkgs;
 
   mypaint-brushes = callPackage ../development/libraries/mypaint-brushes { };
 
-  mythtv = libsForQt514.callPackage ../applications/video/mythtv { };
+  mythtv = libsForQt5.callPackage ../applications/video/mythtv { };
 
   micro = callPackage ../applications/editors/micro { };