diff --git a/backend/applications/src/main/kotlin/com/example/applications/users/UserApplicationService.kt b/backend/applications/src/main/kotlin/com/example/applications/users/UserApplicationService.kt
index 7427edc..e3c0713 100644
--- a/backend/applications/src/main/kotlin/com/example/applications/users/UserApplicationService.kt
+++ b/backend/applications/src/main/kotlin/com/example/applications/users/UserApplicationService.kt
@@ -20,7 +20,7 @@ class UserApplicationService(
     fun create(input: UserCreateInput) = {
         input
             .let {
-                User.create(input.firstName, input.firstName, input.email)
+                User.create(input.firstName, input.lastName, input.email)
             }
             .apply(repository::save).id.value
     }