diff --git a/app/src/main/java/org/linphone/ui/call/model/CallMediaEncryptionModel.kt b/app/src/main/java/org/linphone/ui/call/model/CallMediaEncryptionModel.kt
index 97cd407eb..30df43516 100644
--- a/app/src/main/java/org/linphone/ui/call/model/CallMediaEncryptionModel.kt
+++ b/app/src/main/java/org/linphone/ui/call/model/CallMediaEncryptionModel.kt
@@ -26,9 +26,10 @@ import org.linphone.core.Call
 import org.linphone.core.MediaEncryption
 import org.linphone.core.StreamType
 import org.linphone.utils.AppUtils
-import org.linphone.utils.Event
 
-class CallMediaEncryptionModel @WorkerThread constructor() {
+class CallMediaEncryptionModel @WorkerThread constructor(
+    private val showZrtpSasValidationDialog: () -> Unit
+) {
     val mediaEncryption = MutableLiveData<String>()
 
     val isMediaEncryptionZrtp = MutableLiveData<Boolean>()
@@ -38,10 +39,6 @@ class CallMediaEncryptionModel @WorkerThread constructor() {
     val zrtpAuthTag = MutableLiveData<String>()
     val zrtpAuthSas = MutableLiveData<String>()
 
-    val showZrtpSasValidationDialogEvent: MutableLiveData<Event<Boolean>> by lazy {
-        MutableLiveData<Event<Boolean>>()
-    }
-
     @WorkerThread
     fun update(call: Call) {
         isMediaEncryptionZrtp.postValue(false)
@@ -112,6 +109,6 @@ class CallMediaEncryptionModel @WorkerThread constructor() {
     }
 
     fun showSasValidationDialog() {
-        showZrtpSasValidationDialogEvent.value = Event(true)
+        showZrtpSasValidationDialog.invoke()
     }
 }
diff --git a/app/src/main/java/org/linphone/ui/call/viewmodel/CurrentCallViewModel.kt b/app/src/main/java/org/linphone/ui/call/viewmodel/CurrentCallViewModel.kt
index 6b084dfcc..e470a9c97 100644
--- a/app/src/main/java/org/linphone/ui/call/viewmodel/CurrentCallViewModel.kt
+++ b/app/src/main/java/org/linphone/ui/call/viewmodel/CurrentCallViewModel.kt
@@ -106,7 +106,9 @@ class CurrentCallViewModel @UiThread constructor() : ViewModel() {
 
     val callStatsModel = CallStatsModel()
 
-    val callMediaEncryptionModel = CallMediaEncryptionModel()
+    val callMediaEncryptionModel = CallMediaEncryptionModel() {
+        showZrtpSasDialogIfPossible()
+    }
 
     val incomingCallTitle: MutableLiveData<String> by lazy {
         MutableLiveData<String>()