diff --git a/backend/src/config/index.ts b/backend/src/config/index.ts
index 4adc21b41..eeca1d80e 100644
--- a/backend/src/config/index.ts
+++ b/backend/src/config/index.ts
@@ -52,7 +52,7 @@ const email = {
   EMAIL_LINK_VERIFICATION:
     process.env.EMAIL_LINK_VERIFICATION || 'http://localhost/vue/checkEmail/$1',
   EMAIL_LINK_SETPASSWORD: process.env.EMAIL_LINK_SETPASSWORD || 'http://localhost/vue/reset/$1',
-  RESEND_TIME: process.env.RESEND_TIME || 10,
+  RESEND_TIME: isNaN(parseInt(process.env.RESEND_TIME)) ? 10 : parseInt(process.env.RESEND_TIME),
 }
 
 const webhook = {