diff --git a/frontend/src/components/admin/identities/form_steps/AliasRecipientForm.vue b/frontend/src/components/admin/identities/form_steps/AliasRecipientForm.vue
index de9b8efe4..75bb83abf 100644
--- a/frontend/src/components/admin/identities/form_steps/AliasRecipientForm.vue
+++ b/frontend/src/components/admin/identities/form_steps/AliasRecipientForm.vue
@@ -16,7 +16,7 @@
     />
     <v-chip
       v-for="(_recipient, index) in recipients"
-      :key="index"
+      :key="_recipient"
       class="mr-2 mt-2"
       closable
       @click:close="removeRecipient(index)"
@@ -29,17 +29,13 @@
 <script setup lang="js">
 import EmailField from '@/components/tools/EmailField'
 import { useGettext } from 'vue3-gettext'
-import { ref, computed } from 'vue'
+import { ref } from 'vue'
 
 const { $gettext } = useGettext()
-const emit = defineEmits(['update:model-value'])
-const props = defineProps({
-  modelValue: { type: Array, default: () => [] },
-})
 
-const recipients = computed({
-  get: () => props.modelValue,
-  set: (value) => emit('update:model-value', value),
+const recipients = defineModel({
+  type: Array,
+  default: () => [],
 })
 
 const recipient = ref('')
diff --git a/frontend/src/views/admin/identities/AliasEditView.vue b/frontend/src/views/admin/identities/AliasEditView.vue
index 2eb69ed3c..240421dfc 100644
--- a/frontend/src/views/admin/identities/AliasEditView.vue
+++ b/frontend/src/views/admin/identities/AliasEditView.vue
@@ -2,7 +2,7 @@
   <v-toolbar flat>
     <v-toolbar-title>{{ $gettext('Edit alias') }}</v-toolbar-title>
   </v-toolbar>
-  <AliasEditForm :alias="alias" />
+  <AliasEditForm />
 </template>
 
 <script setup lang="js">
diff --git a/frontend/src/views/admin/identities/IdentitiesView.vue b/frontend/src/views/admin/identities/IdentitiesView.vue
index 8ffece5de..9bfaca4e9 100644
--- a/frontend/src/views/admin/identities/IdentitiesView.vue
+++ b/frontend/src/views/admin/identities/IdentitiesView.vue
@@ -130,7 +130,9 @@ function exportIdentities() {
 }
 
 function importIdentities(data, form) {
-  data.append('crypt_passwords', form.crypt_passwords)
+  if (form.crypt_passwords !== undefined && form.crypt_passwords !== null) {
+    data.append('crypt_passwords', form.crypt_passwords)
+  }
   importContent(identitiesApi, data, importForm, $gettext)
 }
 
diff --git a/modoboa/admin/api/v2/serializers.py b/modoboa/admin/api/v2/serializers.py
index 303b96076..5010df71d 100644
--- a/modoboa/admin/api/v2/serializers.py
+++ b/modoboa/admin/api/v2/serializers.py
@@ -745,7 +745,7 @@ class CSVImportSerializer(serializers.Serializer):
 class CSVIdentityImportSerializer(CSVImportSerializer):
     """Custom serializer for identity import."""
 
-    crypt_passwords = serializers.BooleanField()
+    crypt_passwords = serializers.BooleanField(default=False)
 
 
 class AlarmSerializer(serializers.ModelSerializer):