diff --git a/packages/variables/codeRunners.ts b/packages/variables/codeRunners.ts
index c2a1d1975..3818d3b3c 100644
--- a/packages/variables/codeRunners.ts
+++ b/packages/variables/codeRunners.ts
@@ -47,7 +47,7 @@ export const createHttpReqResponseMappingRunner = (response: any) => {
   }
 }
 
-const parseTransferrableValue = (value: unknown) => {
+export const parseTransferrableValue = (value: unknown) => {
   if (typeof value === 'object') {
     return new ivm.ExternalCopy(value).copyInto()
   }
diff --git a/packages/variables/executeFunction.ts b/packages/variables/executeFunction.ts
index 7055b7889..5f23fe650 100644
--- a/packages/variables/executeFunction.ts
+++ b/packages/variables/executeFunction.ts
@@ -5,6 +5,7 @@ import { isDefined } from '@typebot.io/lib'
 import { safeStringify } from '@typebot.io/lib/safeStringify'
 import { Variable } from './types'
 import ivm from 'isolated-vm'
+import { parseTransferrableValue } from './codeRunners'
 
 const defaultTimeout = 10 * 1000
 
@@ -59,7 +60,7 @@ export const executeFunction = async ({
     ]
   )
   args.forEach(({ id, value }) => {
-    jail.setSync(id, value)
+    jail.setSync(id, parseTransferrableValue(value))
   })
   const run = (code: string) =>
     context.evalClosure(