diff --git a/apps/users/serializers.py b/apps/users/serializers.py
index 07e5211..0a8a52b 100644
--- a/apps/users/serializers.py
+++ b/apps/users/serializers.py
@@ -80,7 +80,7 @@ class RequestOTPSerializer(serializers.ModelSerializer):
     def get_ttl(self, obj: User):
         if obj.otp_expire > timezone.now():
             ttl = obj.otp_expire - timezone.now()
-            result = ttl.total_seconds()
+            result = int(ttl.total_seconds())
 
         else:
             result = 0