diff --git a/build.js b/build.js
index ecc49e7..9cb8ca5 100644
--- a/build.js
+++ b/build.js
@@ -35,14 +35,25 @@ async function bundleSafeChain() {
     external: ["certifi"],
   });
 
-  // Post-process: Replace all usePureJavaScript: false with true
-  // This ensures node-forge uses pure JavaScript crypto instead of native bindings
-  // which prevents segmentation faults in pkg binaries on Linux
+  // Post-process: Force node-forge to use pure JavaScript
+  // This prevents segmentation faults in pkg binaries on Linux
   let bundledContent = await readFile("./build/bin/safe-chain.cjs", "utf-8");
+
+  // 1. Set the option to true
   bundledContent = bundledContent.replace(
     /usePureJavaScript:\s*false/g,
     "usePureJavaScript: true"
   );
+
+  // 2. Replace all checks that would enable native crypto
+  // Change: if (!forge2.options.usePureJavaScript && ...)
+  // To:     if (false && ...)
+  // This makes the native crypto branches unreachable
+  bundledContent = bundledContent.replace(
+    /!forge2\.options\.usePureJavaScript/g,
+    "false"
+  );
+
   await writeFile("./build/bin/safe-chain.cjs", bundledContent);
 }