diff --git a/pkgs/by-name/op/opencode/package.nix b/pkgs/by-name/op/opencode/package.nix
index 7ac22e6ddfe6..7944e9bcab43 100644
--- a/pkgs/by-name/op/opencode/package.nix
+++ b/pkgs/by-name/op/opencode/package.nix
@@ -103,7 +103,14 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     # Required else we get errors that our fixed-output derivation references store paths
     dontFixup = true;
 
-    outputHash = "sha256-sibjZaPzA4r/CjHg0ual5ueEELDUU1jeZjDnZEMrozI=";
+    outputHash =
+      {
+        x86_64-linux = "sha256-fGf2VldMlxbr9pb3B6zVL+fW1S8bRjefJW+jliTO73A=";
+        aarch64-linux = "sha256-jEsDrC/uNZKx7TvD1X9ToTFFTBgrKIeSXd5cTPBvxGI=";
+        x86_64-darwin = "sha256-U2F3mXas/iMOCqQgBY34crHtkPx5wOMeFClUAGEj4Go=";
+        aarch64-darwin = "sha256-sibjZaPzA4r/CjHg0ual5ueEELDUU1jeZjDnZEMrozI=";
+      }
+      .${stdenv.hostPlatform.system};
     outputHashAlgo = "sha256";
     outputHashMode = "recursive";
   };