diff --git a/pkgs/tools/audio/opl3bankeditor/opn2bankeditor.nix b/pkgs/tools/audio/opl3bankeditor/opn2bankeditor.nix
index d8f15a65b45b..1d10452470ed 100644
--- a/pkgs/tools/audio/opl3bankeditor/opn2bankeditor.nix
+++ b/pkgs/tools/audio/opl3bankeditor/opn2bankeditor.nix
@@ -1,19 +1,14 @@
 { opl3bankeditor, fetchFromGitHub }:
 
 opl3bankeditor.overrideAttrs (oldAttrs: rec {
-  version = "1.3-beta";
+  version = "1.3";
   pname = "OPN2BankEditor";
 
   src = fetchFromGitHub {
     owner = "Wohlstand";
     repo = pname;
-    rev = version;
-    sha256 = "0blcvqfj1yj6cmm079aw4jdzv3066jxqy9krp268i6cl2b3bmwvw";
+    rev = "v${version}";
+    sha256 = "0xsvv0gxqh1lx22f1jm384f7mq1jp57fmpsx1jjaxz435w5hf8s0";
     fetchSubmodules = true;
   };
-
-  # to be removed with next release
-  postInstall = ''
-    install -Dm755 opn2_bank_editor $out/bin/opn2_bank_editor
-  '';
 })