diff --git a/app/src/main/kotlin/com/tutpro/baresip/UserAgent.kt b/app/src/main/kotlin/com/tutpro/baresip/UserAgent.kt
index 6b521c86..07192902 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/UserAgent.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/UserAgent.kt
@@ -10,7 +10,7 @@ class UserAgent (val uap: String) {
     companion object {
 
         external fun ua_alloc(uri: String): Int
-        external fun ua_destroy(uri: String)
+        external fun ua_destroy(ua: String)
         external fun ua_register(ua: String): Int
         external fun ua_isregistered(ua: String): Boolean
         external fun ua_unregister(ua: String)