diff --git a/app/src/main/java/org/linphone/ui/assistant/viewmodel/AccountLoginViewModel.kt b/app/src/main/java/org/linphone/ui/assistant/viewmodel/AccountLoginViewModel.kt
index 07c772320..fde2be2fd 100644
--- a/app/src/main/java/org/linphone/ui/assistant/viewmodel/AccountLoginViewModel.kt
+++ b/app/src/main/java/org/linphone/ui/assistant/viewmodel/AccountLoginViewModel.kt
@@ -206,6 +206,6 @@ class AccountLoginViewModel @UiThread constructor() : ViewModel() {
 
     @UiThread
     private fun isLoginButtonEnabled(): Boolean {
-        return sipIdentity.value.orEmpty().isNotEmpty() && password.value.orEmpty().isNotEmpty()
+        return sipIdentity.value.orEmpty().trim().isNotEmpty() && password.value.orEmpty().isNotEmpty()
     }
 }
diff --git a/app/src/main/java/org/linphone/ui/assistant/viewmodel/LandingViewModel.kt b/app/src/main/java/org/linphone/ui/assistant/viewmodel/LandingViewModel.kt
index cc9293a8f..2b9f83975 100644
--- a/app/src/main/java/org/linphone/ui/assistant/viewmodel/LandingViewModel.kt
+++ b/app/src/main/java/org/linphone/ui/assistant/viewmodel/LandingViewModel.kt
@@ -58,7 +58,7 @@ class LandingViewModel @UiThread constructor() : ViewModel() {
     @UiThread
     fun login() {
         coreContext.postOnCoreThread {
-            var identity = sipIdentity.value.orEmpty()
+            var identity = sipIdentity.value.orEmpty().trim()
             if (!identity.startsWith("sip:")) {
                 identity = "sip:$identity"
             }