diff --git a/flexiapi/app/Http/Controllers/Account/ProvisioningController.php b/flexiapi/app/Http/Controllers/Account/ProvisioningController.php
index 2199dc6..d9d94bd 100644
--- a/flexiapi/app/Http/Controllers/Account/ProvisioningController.php
+++ b/flexiapi/app/Http/Controllers/Account/ProvisioningController.php
@@ -228,7 +228,7 @@ class ProvisioningController extends Controller
                 $section = $dom->createElement('section');
                 $section->setAttribute('name', 'proxy_' . $proxyConfigIndex);
 
-                $entry = $dom->createElement('entry', $externalAccount->fullIdentifier);
+                $entry = $dom->createElement('entry', '<sip:' . $externalAccount->identifier . '>');
                 $entry->setAttribute('name', 'reg_identity');
                 $section->appendChild($entry);
 
diff --git a/flexiapi/tests/Feature/ExternalAccountTest.php b/flexiapi/tests/Feature/ExternalAccountTest.php
index 92fb9a5..5f5de39 100644
--- a/flexiapi/tests/Feature/ExternalAccountTest.php
+++ b/flexiapi/tests/Feature/ExternalAccountTest.php
@@ -76,6 +76,7 @@ class ExternalAccountTest extends TestCase
             ->get($this->provisioningRoute)
             ->assertStatus(200)
             ->assertHeader('Content-Type', 'application/xml')
+            ->assertSee($externalAccount->identifier)
             ->assertSee('ha1')
             ->assertSee('idkey')
             ->assertSee('depends_on');
diff --git a/flexisip-account-manager.spec b/flexisip-account-manager.spec
index c8fb0e4..4f13668 100644
--- a/flexisip-account-manager.spec
+++ b/flexisip-account-manager.spec
@@ -8,7 +8,7 @@
 #%define _datadir           %{_datarootdir}
 #%define _docdir            %{_datadir}/doc
 
-%define build_number 155
+%define build_number 156
 %define var_dir /var/opt/belledonne-communications
 %define opt_dir /opt/belledonne-communications/share/flexisip-account-manager