diff --git a/src/mibew/configs/database_schema.yml b/src/mibew/configs/database_schema.yml
index 3f3d5ef9..d8b7c71e 100644
--- a/src/mibew/configs/database_schema.yml
+++ b/src/mibew/configs/database_schema.yml
@@ -314,6 +314,8 @@ plugin:
         installed: "tinyint NOT NULL DEFAULT 0"
         # Indicates if the plugin is enabled or not.
         enabled: "tinyint NOT NULL DEFAULT 0"
+        # Indicates if the plugin is initialized or not.
+        initialized: "tinyint NOT NULL DEFAULT 0"
     unique_keys:
         name: [name]
 
diff --git a/src/mibew/libs/classes/Mibew/Maintenance/Updater.php b/src/mibew/libs/classes/Mibew/Maintenance/Updater.php
index 7970d87c..7408c7ec 100644
--- a/src/mibew/libs/classes/Mibew/Maintenance/Updater.php
+++ b/src/mibew/libs/classes/Mibew/Maintenance/Updater.php
@@ -412,4 +412,30 @@ class Updater
 
         return true;
     }
+
+    /**
+     * Performs all database updates needed for 2.2.0.
+     *
+     * @return boolean True if the updates have been applied successfully and
+     * false otherwise.
+     */
+    protected function update20200()
+    {
+        $db = $this->getDatabase();
+
+        if (!$db) {
+            return false;
+        }
+
+        try {
+            // Alter locale table.
+            $db->query('ALTER TABLE {plugin} ADD COLUMN initialized tinyint NOT NULL DEFAULT 0 AFTER enabled');
+        } catch (\Exception $e) {
+            $this->errors[] = getlocal('Cannot update tables: {0}', $e->getMessage());
+
+            return false;
+        }
+
+        return true;
+    }
 }