diff --git a/api/serializers.py b/api/serializers.py
index f520cf98..32fdd0e8 100644
--- a/api/serializers.py
+++ b/api/serializers.py
@@ -407,9 +407,8 @@ class GeneralOptionSerializer(NamespacedHMSerializer):
         fields = ('general_message_fr', 'general_message_en',
                   'search_display_page', 'pagination_number',
                   'pagination_large_number', 'req_expire_hrs',
-                  'site_name', 'email_from', 'GTU_sum_up',
-                  'GTU')
-
+                  'site_name', 'main_site_url', 'email_from',
+                  'GTU_sum_up', 'GTU')
 
 class HomeServiceSerializer(NamespacedHMSerializer):
     """Serialize `preferences.models.Service` objects.
diff --git a/preferences/migrations/0055_generaloption_main_site_url.py b/preferences/migrations/0055_generaloption_main_site_url.py
new file mode 100644
index 00000000..71ea9852
--- /dev/null
+++ b/preferences/migrations/0055_generaloption_main_site_url.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2018-11-14 16:46
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('preferences', '0054_merge_20181025_1258'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='generaloption',
+            name='main_site_url',
+            field=models.URLField(default='http://re2o.example.org', max_length=255),
+        ),
+    ]
diff --git a/preferences/models.py b/preferences/models.py
index b21f42fe..43ff7580 100644
--- a/preferences/models.py
+++ b/preferences/models.py
@@ -431,6 +431,7 @@ class GeneralOption(AclMixin, PreferencesModel):
     req_expire_hrs = models.IntegerField(default=48)
     site_name = models.CharField(max_length=32, default="Re2o")
     email_from = models.EmailField(default="www-data@example.com")
+    main_site_url = models.URLField(max_length=255, default="http://re2o.example.org")
     GTU_sum_up = models.TextField(
         default="",
         blank=True,
diff --git a/preferences/templates/preferences/display_preferences.html b/preferences/templates/preferences/display_preferences.html
index 1c29c595..96d3fe16 100644
--- a/preferences/templates/preferences/display_preferences.html
+++ b/preferences/templates/preferences/display_preferences.html
@@ -224,10 +224,12 @@ with this program; if not, write to the Free Software Foundation, Inc.,
         <tr>
             <th>{% trans "General message displayed on the website" %}</th>
             <td>{{ generaloptions.general_message }}</td>
-            <th>{% trans "Summary of the General Terms of Use" %}</th>
-            <td>{{ generaloptions.GTU_sum_up }}</td>
-        </tr>
+ 	    <th>{% trans "Main site url" %}</th>
+            <td>{{ generaloptions.main_site_url }}</td>  
+	</tr>
         <tr>
+	    <th>{% trans "Summary of the General Terms of Use" %}</th>
+            <td>{{ generaloptions.GTU_sum_up }}</td>
             <th>{% trans "General Terms of Use" %}</th>
             <td>{{ generaloptions.GTU }}</th>
         </tr>