diff --git a/app/src/main/kotlin/com/tutpro/baresip/ConfigActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/ConfigActivity.kt
index c5bc24a4..3c076b7d 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/ConfigActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/ConfigActivity.kt
@@ -339,9 +339,12 @@ class ConfigActivity : AppCompatActivity() {
                             contactsSpinner.setSelection(contactsModeKeys.indexOf(oldContactsMode))
                             dialog.dismiss()
                         }
-                        show().apply {
+                        val dialog = this.create()
+                        dialog.setCancelable(false)
+                        dialog.setCanceledOnTouchOutside(false)
+                        dialog.show().apply {
                             findViewById<TextView>(android.R.id.message)
-                                    ?.movementMethod = LinkMovementMethod.getInstance()
+                                ?.movementMethod = LinkMovementMethod.getInstance()
                         }
                     }
             }
diff --git a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
index 04e93cc2..f1d3ab58 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
@@ -1643,7 +1643,6 @@ class MainActivity : AppCompatActivity() {
                 input.requestFocus()
                 with (MaterialAlertDialogBuilder(this, R.style.AlertDialogTheme)) {
                     setView(layout)
-
                     setPositiveButton(android.R.string.ok) { dialog, _ ->
                         imm.hideSoftInputFromWindow(input.windowToken, 0)
                         dialog.dismiss()