diff --git a/CHANGELOG b/CHANGELOG
index 6451cbd84..09fbcff54 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Fix list of required configuration options (#1489055)
 - Fix DB error when creating a new contact and a group is selected (#1489051)
 - Fix handling of deprecated boolean value of reply_mode option (#1489052)
 
diff --git a/installer/rcube_install.php b/installer/rcube_install.php
index 08761ce6d..86af51330 100644
--- a/installer/rcube_install.php
+++ b/installer/rcube_install.php
@@ -46,8 +46,7 @@ class rcube_install
 
   // these config options are required for a working system
   var $required_config = array(
-    'db_dsnw', 'db_table_contactgroups', 'db_table_contactgroupmembers',
-    'des_key', 'session_lifetime', 'support_url',
+    'db_dsnw', 'des_key', 'session_lifetime',
   );
 
   // list of supported database drivers
diff --git a/installer/test.php b/installer/test.php
index bd49ac523..340fe267d 100644
--- a/installer/test.php
+++ b/installer/test.php
@@ -38,13 +38,13 @@ if ($RCI->configured && ($messages = $RCI->check_config())) {
   
   if (is_array($messages['missing'])) {
     echo '<h3 class="warning">Missing config options</h3>';
-    echo '<p class="hint">The following config options are not present in the current configuration.<br/>';
-    echo 'Please check the default config files and add the missing properties to your local config files.</p>';
-    
-    echo '<ul class="configwarings">';
+    echo '<p class="hint">The following config options are not set (not present or empty) in the current configuration.<br/>';
+    echo 'Please check the default config files and set the missing properties in your local config files.</p>';
+
+    echo '<ul class="configwarnings">';
     foreach ($messages['missing'] as $msg) {
       echo html::tag('li', null, html::span('propname', $msg['prop']) . ($msg['name'] ? ':&nbsp;' . $msg['name'] : ''));
-    }    
+    }
     echo '</ul>';
   }