diff --git a/src/lib/routes/util.ts b/src/lib/routes/util.ts
index 0a02bbb504..dc6dfe52ff 100644
--- a/src/lib/routes/util.ts
+++ b/src/lib/routes/util.ts
@@ -61,5 +61,23 @@ export const handleErrors: (
         );
     }
 
-    return res.status(finalError.statusCode).json(finalError).end();
+    // details property behaves weirdly. Trying to access it as finalError.details[0],
+    // hangs the execution of this method. Returning it as finalError.details doesn't
+    // work returning undefined. Printing out the finalError object using JSON.stringify
+    // shows that the details property is there and is an array.
+    // Running JSON.stringify(finalError.details) also hangs.
+    // As a workaround, we do a roundabout way of getting to the details property
+    // by doing JSON.parse(JSON.stringify(finalError))['details']
+    const details =
+        // @ts-expect-error - details might not be present on all UnleashErrors
+        // biome-ignore lint/complexity/useLiteralKeys: see above
+        finalError.details ?? JSON.parse(JSON.stringify(finalError))['details'];
+    return res
+        .status(finalError.statusCode)
+        .json({
+            name: finalError.name,
+            message: finalError.message,
+            details,
+        })
+        .end();
 };