diff --git a/apps/users/serializers.py b/apps/users/serializers.py
index a0ec8b9..0a29243 100644
--- a/apps/users/serializers.py
+++ b/apps/users/serializers.py
@@ -70,7 +70,11 @@ class RequestOTPSerializer(serializers.ModelSerializer):
             user = User.objects.create_user(**validated_data)
 
         if not user.otp_is_valid():
-            user.set_otp()
+            try:
+                user.set_otp()
+            except Exception as e:
+                raise UnprocessableEntity()
+            
             user.save()
             user.send_otp()