diff --git a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
index 65923cd6..7a2ea5d6 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
@@ -555,6 +555,7 @@ class MainActivity : AppCompatActivity() {
                     } else {
                         aorSpinner.setSelection(currentPosition)
                     }
+                    uaAdapter.notifyDataSetChanged()
                     showCall(UserAgent.uas()[aorSpinner.selectedItemPosition])
                 }
             }