diff --git a/modoboa/admin/models/domain.py b/modoboa/admin/models/domain.py
index 2eeb83e49..145edfc8a 100644
--- a/modoboa/admin/models/domain.py
+++ b/modoboa/admin/models/domain.py
@@ -241,28 +241,38 @@ class Domain(AdminObject):
 
         The expected fields order is the following::
 
-          "domain", name, default_mailbox_quota, enabled
+          "domain", name, quota, default_mailbox_quota, enabled
 
         :param ``core.User`` user: user creating the domain
         :param str row: a list containing domain's definition
         """
-        if len(row) < 4:
+        if len(row) < 5:
             raise BadRequest(_("Invalid line"))
         self.name = row[1].strip()
         if Domain.objects.filter(name=self.name).exists():
             raise Conflict
         try:
-            self.default_mailbox_quota = int(row[2].strip())
+            self.quota = int(row[2].strip())
         except ValueError:
             raise BadRequest(
-                _("Invalid default mailbox quota value for domain '%s'")
-                % self.name)
-        self.enabled = (row[3].strip() in ["True", "1", "yes", "y"])
+                _("Invalid quota value for domain '{}'")
+                .format(self.name)
+            )
+        try:
+            self.default_mailbox_quota = int(row[3].strip())
+        except ValueError:
+            raise BadRequest(
+                _("Invalid default mailbox quota value for domain '{}'")
+                .format(self.name)
+            )
+        self.enabled = (row[4].strip() in ["True", "1", "yes", "y"])
         self.save(creator=user)
 
     def to_csv(self, csvwriter):
         csvwriter.writerow([
-            "domain", self.name, self.default_mailbox_quot, self.enabled])
+            "domain", self.name, self.quota, self.default_mailbox_quot,
+            self.enabled
+        ])
         for dalias in self.domainalias_set.all():
             dalias.to_csv(csvwriter)
 
diff --git a/modoboa/admin/templates/admin/import_domains_form.html b/modoboa/admin/templates/admin/import_domains_form.html
index d1777468d..28fe99dea 100644
--- a/modoboa/admin/templates/admin/import_domains_form.html
+++ b/modoboa/admin/templates/admin/import_domains_form.html
@@ -6,7 +6,7 @@
   {% blocktrans trimmed %}
     Provide a CSV file where lines respect one of the following formats:
     <ul>
-      <li><em>domain; name; default mailbox quota; enabled</em></li>
+      <li><em>domain; name; quota; default mailbox quota; enabled</em></li>
       <li><em>domainalias; name; targeted domain; enabled</em></li>
       <li><em>relaydomain; name; target host; target port; service; enabled; verify recipients</em></li>
     </ul>
diff --git a/modoboa/admin/tests/test_import_.py b/modoboa/admin/tests/test_import_.py
index 634a6a64c..b95c4b637 100644
--- a/modoboa/admin/tests/test_import_.py
+++ b/modoboa/admin/tests/test_import_.py
@@ -25,8 +25,8 @@ class ImportTestCase(ModoTestCase):
         self.assertEqual(response.status_code, 200)
         self.assertIn("Provide a CSV", response.content)
 
-        f = ContentFile(b"""domain; domain1.com; 100; True
-domain; domain2.com; 200; False
+        f = ContentFile(b"""domain; domain1.com; 1000; 100; True
+domain; domain2.com; 1000; 200; False
 domainalias; domalias1.com; domain1.com; True
 """, name="domains.csv")
         self.client.post(
@@ -36,6 +36,7 @@ domainalias; domalias1.com; domain1.com; True
         )
         admin = User.objects.get(username="admin")
         dom = Domain.objects.get(name="domain1.com")
+        self.assertEqual(dom.quota, 1000)
         self.assertEqual(dom.default_mailbox_quota, 100)
         self.assertTrue(dom.enabled)
         self.assertTrue(admin.is_owner(dom))
@@ -49,7 +50,7 @@ domainalias; domalias1.com; domain1.com; True
         self.assertTrue(admin.is_owner(dom))
 
     def test_import_domains_with_conflict(self):
-        f = ContentFile(b"""domain;test.alias;10;True
+        f = ContentFile(b"""domain;test.alias;100;10;True
 domainalias;test.alias;test.com;True
 """, name="domains.csv")
         resp = self.client.post(
@@ -160,7 +161,7 @@ account; user1@test.com; toto; User; One; True; SimpleUsers; user1@test.com; ; t
         self.client.logout()
         self.client.login(username="admin@test.com", password="toto")
         f = ContentFile(b"""
-domain; domain2.com; 200; False
+domain; domain2.com; 1000; 200; False
 """, name="identities.csv")
         resp = self.client.post(
             reverse("admin:identity_import"),
diff --git a/modoboa/limits/tests/test_import.py b/modoboa/limits/tests/test_import.py
index dc222f426..c3ca812b3 100644
--- a/modoboa/limits/tests/test_import.py
+++ b/modoboa/limits/tests/test_import.py
@@ -147,8 +147,8 @@ class UserLimitImportTestCase(LimitImportTestCase):
             username=self.reseller.username, password="toto")
         limit = self.reseller.userobjectlimit_set.get(name="domains")
         self.assertFalse(limit.is_exceeded())
-        f = ContentFile(b"""domain; domain1.com; 100; True
-domain; domain2.com; 200; False
+        f = ContentFile(b"""domain; domain1.com; 1000; 100; True
+domain; domain2.com; 1000; 200; False
 """, name="domains.csv")
         self.client.post(
             reverse("admin:domain_import"), {
@@ -157,7 +157,7 @@ domain; domain2.com; 200; False
         )
         self.assertTrue(limit.is_exceeded())
 
-        f = ContentFile(b"""domain; domain3.com; 100; True
+        f = ContentFile(b"""domain; domain3.com; 1000; 100; True
 """, name="domains.csv")
         response = self.client.post(
             reverse("admin:domain_import"), {