diff --git a/pkgs/by-name/wa/wasynth/package.nix b/pkgs/by-name/wa/wasynth/package.nix
index 78599a29debe..fad7daa3a029 100644
--- a/pkgs/by-name/wa/wasynth/package.nix
+++ b/pkgs/by-name/wa/wasynth/package.nix
@@ -5,15 +5,15 @@
   nix-update-script,
 }:
 
-rustPlatform.buildRustPackage rec {
+rustPlatform.buildRustPackage (finalAttrs: {
   pname = "wasynth";
   version = "0.13.0";
 
   src = fetchFromGitHub {
     owner = "Rerumu";
     repo = "Wasynth";
-    rev = "v${version}";
-    sha256 = "sha256-0Gtqet6KKLtooh9cU2R/top142AeT+uIxFwe1dPTvAU=";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-0Gtqet6KKLtooh9cU2R/top142AeT+uIxFwe1dPTvAU=";
   };
 
   # A lock file isn't provided, so it must be added manually.
@@ -45,4 +45,4 @@ rustPlatform.buildRustPackage rec {
     license = with licenses; [ gpl3Only ];
     maintainers = with maintainers; [ wackbyte ];
   };
-}
+})