diff --git a/app/src/main/java/com/example/myapplication/database/entities/composeui/UserProfileViewModel.kt b/app/src/main/java/com/example/myapplication/database/entities/composeui/UserProfileViewModel.kt
index 5612dfe..37baf6a 100644
--- a/app/src/main/java/com/example/myapplication/database/entities/composeui/UserProfileViewModel.kt
+++ b/app/src/main/java/com/example/myapplication/database/entities/composeui/UserProfileViewModel.kt
@@ -35,6 +35,7 @@ class UserProfileViewModel(
                     if (overlap == null || userUiState.details.password != overlap.password) {
                         errorId = R.string.err_04
                     } else {
+                        dataStoreManager.setLogin("")
                         dataStoreManager.setLogin(userUiState.details.login)
                         Log.d("UserProfileViewModel", "sign in success")
                     }