diff --git a/pkgs/by-name/to/toybox/package.nix b/pkgs/by-name/to/toybox/package.nix
index 1f8c37ee822e..b9f7c3fe57b8 100644
--- a/pkgs/by-name/to/toybox/package.nix
+++ b/pkgs/by-name/to/toybox/package.nix
@@ -22,8 +22,8 @@ stdenv.mkDerivation (finalAttrs: {
   src = fetchFromGitHub {
     owner = "landley";
     repo = "toybox";
-    rev = finalAttrs.version;
-    sha256 = "sha256-b5sigIxyg4T4wVc5z8Das+RdEXmNBPFsXpWwXxU/ERE=";
+    tag = finalAttrs.version;
+    hash = "sha256-b5sigIxyg4T4wVc5z8Das+RdEXmNBPFsXpWwXxU/ERE=";
   };
 
   depsBuildBuild = optionals (stdenv.hostPlatform != stdenv.buildPlatform) [