diff --git a/apps/builder/components/share/customDomain/CustomDomainModal.tsx b/apps/builder/components/share/customDomain/CustomDomainModal.tsx
index ed875b284..50f4a27a2 100644
--- a/apps/builder/components/share/customDomain/CustomDomainModal.tsx
+++ b/apps/builder/components/share/customDomain/CustomDomainModal.tsx
@@ -119,7 +119,8 @@ export const CustomDomainModal = ({
                     </Stack>
                     <Stack>
                       <Text fontWeight="bold">Value</Text>
-                      <Text>viewer.typebot.io</Text>
+                      <Text>{process.env.NEXT_PUBLIC_VIEWER_INTERNAL_URL ??
+                          process.env.NEXT_PUBLIC_VIEWER_URL}</Text>
                     </Stack>
                   </HStack>
                 ) : (