diff --git a/packages/bruno-js/src/sandbox/quickjs/utils/index.js b/packages/bruno-js/src/sandbox/quickjs/utils/index.js
index e376c3252..47be92f5f 100644
--- a/packages/bruno-js/src/sandbox/quickjs/utils/index.js
+++ b/packages/bruno-js/src/sandbox/quickjs/utils/index.js
@@ -25,6 +25,8 @@ const marshallToVm = (value, vm) => {
       }
       return obj;
     }
+  } else if (typeof value === 'function') {
+    return vm.newString('[Function (anonymous)]');
   }
 };