diff --git a/pkgs/applications/video/shotcut/default.nix b/pkgs/applications/video/shotcut/default.nix
index 27aeec152d1..3b6116d5a06 100644
--- a/pkgs/applications/video/shotcut/default.nix
+++ b/pkgs/applications/video/shotcut/default.nix
@@ -25,13 +25,13 @@ assert lib.versionAtLeast mlt.version "6.24.0";
 
 mkDerivation rec {
   pname = "shotcut";
-  version = "21.03.21";
+  version = "21.09.20";
 
   src = fetchFromGitHub {
     owner = "mltframework";
     repo = "shotcut";
     rev = "v${version}";
-    sha256 = "UdeHbNkJ0U9FeTmpbcU4JxiyIHkrlC8ErhtY6zdCZEk=";
+    sha256 = "1y46n5gmlayfl46l0vhg5g5dbbc0sg909mxb68sia0clkaas8xrh";
   };
 
   nativeBuildInputs = [ pkg-config qmake ];
@@ -57,7 +57,7 @@ mkDerivation rec {
   ];
 
   prePatch = ''
-    sed 's_shotcutPath, "melt"_"${mlt}/bin/melt"_' -i src/jobs/meltjob.cpp
+    sed 's_shotcutPath, "melt[^"]*"_"${mlt}/bin/melt"_' -i src/jobs/meltjob.cpp
     sed 's_shotcutPath, "ffmpeg"_"${mlt.ffmpeg}/bin/ffmpeg"_' -i src/jobs/ffmpegjob.cpp
     sed 's_qApp->applicationDirPath(), "ffmpeg"_"${mlt.ffmpeg}/bin/ffmpeg"_' -i src/docks/encodedock.cpp
     NICE=$(type -P nice)