diff --git a/ajax/settings.php b/ajax/settings.php
index 1d8ea2e..763f48f 100644
--- a/ajax/settings.php
+++ b/ajax/settings.php
@@ -14,7 +14,8 @@ $l = new OC_L10N('user_sql');
 $params = array('sql_host', 'sql_user', 'sql_database', 'sql_password', 
         'sql_table', 'sql_column_username', 'sql_column_password', 'sql_type', 
         'sql_column_active', 'strip_domain', 'default_domain', 'crypt_type', 
-        'sql_column_displayname', 'domain_settings', 'map_array', 'domain_array', 'allow_password_change');
+        'sql_column_displayname', 'domain_settings', 'map_array', 'domain_array', 
+        'allow_password_change', 'sql_column_active_invert');
 
 if(isset($_POST['appname']) && $_POST['appname'] == "user_sql")
 {
@@ -26,10 +27,14 @@ if(isset($_POST['appname']) && $_POST['appname'] == "user_sql")
             {
                 OCP\Config::setAppValue('user_sql', 'strip_domain', true);
             } 
-            elseif($param ==='allow_password_change')
+            elseif($param === 'allow_password_change')
             {
                 OCP\Config::setAppValue('user_sql', 'allow_password_change', true);
             }
+            elseif($param === 'sql_column_active_invert')
+            {
+                OCP\Config::setAppValue('user_sql', 'sql_column_active_invert', true);
+            }
             else
             {
                 OCP\Config::setAppValue('user_sql', $param, $_POST[$param]);
@@ -44,6 +49,10 @@ if(isset($_POST['appname']) && $_POST['appname'] == "user_sql")
             {
                 OCP\Config::setAppValue('user_sql', 'allow_password_change', false);
             }
+            elseif($param === 'sql_column_active_invert')
+            {
+                OCP\Config::setAppValue('user_sql', 'sql_column_active_invert', false);
+            }
         }
     }
 } else
diff --git a/appinfo/version b/appinfo/version
index 7e32cd5..c068b24 100644
--- a/appinfo/version
+++ b/appinfo/version
@@ -1 +1 @@
-1.3
+1.4
diff --git a/settings.php b/settings.php
index ce46d72..55de344 100644
--- a/settings.php
+++ b/settings.php
@@ -22,7 +22,8 @@
  */
 $params = array('sql_host', 'sql_user', 'sql_database', 'sql_password', 'sql_table', 
         'sql_column_username', 'sql_column_password', 'sql_type', 'sql_column_active', 
-        'strip_domain', 'default_domain', 'crypt_type', 'sql_column_displayname', 'domain_map', 'domain_settings');
+        'strip_domain', 'default_domain', 'crypt_type', 'sql_column_displayname', 
+        'domain_map', 'domain_settings', 'sql_column_active_invert');
 
 OCP\Util::addStyle('user_sql', 'settings');
 OCP\Util::addScript('user_sql', 'settings');
@@ -54,6 +55,7 @@ $tmpl -> assign('map_array', OCP\Config::getAppValue('user_sql', 'map_array', ''
 $tmpl -> assign('domain_array', OCP\Config::getAppValue('user_sql', 'domain_array', ''));
 $tmpl -> assign('domain_settings', OCP\Config::getAppValue('user_sql', 'domain_settings', ''));
 $tmpl -> assign('allow_password_change', OCP\Config::getAppValue('user_sql', 'allow_password_change', 0));
+$tmpl -> assign('sql_column_active_invert', OCP\Config::getAppValue('user_sql', 'sql_column_active_invert', 0));
 // workaround to detect OC version
 $ocVersion = @reset(OCP\Util::getVersion());
 $tmpl -> assign('ocVersion', $ocVersion);
diff --git a/templates/settings.php b/templates/settings.php
index 2dee363..c37b072 100644
--- a/templates/settings.php
+++ b/templates/settings.php
@@ -63,6 +63,7 @@ $cfgClass = $ocVersion >= 7 ? 'section' : 'personalblock';
                 </select></td>
             </tr>
             <tr><td><label for="sql_column_active"><?php echo $l -> t('User Active Column'); ?></label></td><td><input type="text" id="sql_column_active" name="sql_column_active" value="<?php echo $_['sql_column_active']; ?>" /></td></tr>
+            <tr><td><label for="sql_column_active_invert"><?php echo $l -> t('Invert Active Value'); ?></label></td><td><input type="text" id="sql_column_active_invert" name="sql_column_active_invert" value="<?php echo $_['sql_column_active_invert']; ?>" /></td></tr>
         </table>
         </fieldset>
         <fieldset id="sql-3">
diff --git a/user_sql.php b/user_sql.php
index c9ea7f8..a282fcd 100644
--- a/user_sql.php
+++ b/user_sql.php
@@ -38,6 +38,7 @@ class OC_USER_SQL extends OC_User_Backend implements OC_User_Interface
     protected $sql_column_username;
     protected $sql_column_password;
     protected $sql_column_active;
+    protected $sql_column_active_invert;
     protected $sql_column_displayname;
     protected $sql_type;
     protected $db_conn;
@@ -63,6 +64,7 @@ class OC_USER_SQL extends OC_User_Backend implements OC_User_Interface
         $this -> sql_column_password = OCP\Config::getAppValue('user_sql', 'sql_column_password', '');
         $this -> sql_column_displayname = OCP\Config::getAppValue('user_sql', 'sql_column_displayname', $this->sql_column_username);
         $this -> sql_column_active = OCP\Config::getAppValue('user_sql', 'sql_column_active', '');
+        $this -> sql_column_active_invert = OCP\Config::getAppValue('user_sql', 'sql_column_active_invert', 0);
         $this -> sql_type = OCP\Config::getAppValue('user_sql', 'sql_type', '');
         $this -> default_domain = OCP\Config::getAppValue('user_sql', 'default_domain', '');
         $this -> strip_domain = OCP\Config::getAppValue('user_sql', 'strip_domain', 0);
@@ -238,7 +240,7 @@ class OC_USER_SQL extends OC_User_Backend implements OC_User_Interface
 
         $query = "SELECT $this->sql_column_username, $this->sql_column_password FROM $this->sql_table WHERE $this->sql_column_username = :uid";
         if($this -> sql_column_active != '')
-            $query .= " AND $this->sql_column_active";
+            $query .= " AND " .($this->sql_column_active_invert ? "NOT " : "" ).$this->sql_column_active;
         OC_Log::write('OC_USER_SQL', "Preparing query: $query", OC_Log::DEBUG);
         $result = $this -> db -> prepare($query);
         $result -> bindParam(":uid", $uid);
@@ -317,9 +319,7 @@ class OC_USER_SQL extends OC_User_Backend implements OC_User_Interface
         $query = "SELECT $this->sql_column_username FROM $this->sql_table";
         $query .= " WHERE $this->sql_column_username LIKE :search";
         if($this -> sql_column_active != '')
-        {
-            $query .= " AND $this->sql_column_active";
-        }
+            $query .= " AND " .($this->sql_column_active_invert ? "NOT " : "" ).$this->sql_column_active;
         $query .= " ORDER BY $this->sql_column_username";
         if($limit != null)
         {
@@ -387,7 +387,7 @@ class OC_USER_SQL extends OC_User_Backend implements OC_User_Interface
         $uid = $this -> doUserDomainMapping($uid);
         $query = "SELECT $this->sql_column_username FROM $this->sql_table WHERE $this->sql_column_username = :uid";
         if($this -> sql_column_active != '')
-            $query .= " AND $this->sql_column_active";
+            $query .= " AND " .($this->sql_column_active_invert ? "NOT " : "" ).$this->sql_column_active;
         OC_Log::write('OC_USER_SQL', "Preparing query: $query", OC_Log::DEBUG);
         $result = $this -> db -> prepare($query);
         $result -> bindParam(":uid", $uid);
@@ -431,7 +431,7 @@ class OC_USER_SQL extends OC_User_Backend implements OC_User_Interface
 
         $query = "SELECT $this->sql_column_displayname FROM $this->sql_table WHERE $this->sql_column_username = :uid";
         if($this -> sql_column_active != '')
-            $query .= " AND $this->sql_column_active";
+            $query .= " AND " .($this->sql_column_active_invert ? "NOT " : "" ).$this->sql_column_active;
         OC_Log::write('OC_USER_SQL', "Preparing query: $query", OC_Log::DEBUG);
         $result = $this -> db -> prepare($query);
         $result -> bindParam(":uid", $uid);