diff --git a/src/danog/MadelineProto/Db/DbPropertiesFabric.php b/src/danog/MadelineProto/Db/DbPropertiesFabric.php
index cc2dce8c..40c75d92 100644
--- a/src/danog/MadelineProto/Db/DbPropertiesFabric.php
+++ b/src/danog/MadelineProto/Db/DbPropertiesFabric.php
@@ -2,6 +2,7 @@
 
 namespace danog\MadelineProto\Db;
 
+use Amp\Promise;
 use danog\MadelineProto\MTProto;
 
 class DbPropertiesFabric
@@ -12,13 +13,13 @@ class DbPropertiesFabric
      * @param string $name
      * @param $value
      *
-     * @return DbType
+     * @return Promise<DbType>
      *
      * @uses \danog\MadelineProto\Db\MemoryArray
      * @uses \danog\MadelineProto\Db\SharedMemoryArray
      * @uses \danog\MadelineProto\Db\MysqlArray
      */
-    public static function get(MTProto $madelineProto, string $propertyType, string $name, $value = null): DbType
+    public static function get(MTProto $madelineProto, string $propertyType, string $name, $value = null): Promise
     {
         $class = __NAMESPACE__;
         $dbSettings = $madelineProto->settings['db'];
diff --git a/src/danog/MadelineProto/Db/DbType.php b/src/danog/MadelineProto/Db/DbType.php
index f816a778..19f15e04 100644
--- a/src/danog/MadelineProto/Db/DbType.php
+++ b/src/danog/MadelineProto/Db/DbType.php
@@ -2,7 +2,17 @@
 
 namespace danog\MadelineProto\Db;
 
+use Amp\Promise;
+
 interface DbType
 {
-    static function getInstance(string $name, $value = null, string $tablePrefix = '', array $settings = []): self;
+    /**
+     * @param string $name
+     * @param null $value
+     * @param string $tablePrefix
+     * @param array $settings
+     *
+     * @return Promise<self>
+     */
+    static function getInstance(string $name, $value = null, string $tablePrefix = '', array $settings = []): Promise;
 }
\ No newline at end of file
diff --git a/src/danog/MadelineProto/Db/MemoryArray.php b/src/danog/MadelineProto/Db/MemoryArray.php
index 5951a32a..a7f65584 100644
--- a/src/danog/MadelineProto/Db/MemoryArray.php
+++ b/src/danog/MadelineProto/Db/MemoryArray.php
@@ -13,12 +13,14 @@ class MemoryArray extends \ArrayIterator implements DbArray
         parent::__construct((array) $array, $flags | self::STD_PROP_LIST);
     }
 
-    public static function getInstance(string $name, $value = null, string $tablePrefix = '', array $settings = []): DbArray
+    public static function getInstance(string $name, $value = null, string $tablePrefix = '', array $settings = []): Promise
     {
-        if ($value instanceof DbArray) {
-            $value = $value->getArrayCopy();
-        }
-        return new static($value);
+        return call(function() use ($value) {
+            if ($value instanceof DbArray) {
+                $value = $value->getArrayCopy();
+            }
+            return new static($value);
+        });
     }
 
     public function offsetExists($offset): Promise
diff --git a/src/danog/MadelineProto/Db/MysqlArray.php b/src/danog/MadelineProto/Db/MysqlArray.php
index 565bc080..85c14e00 100644
--- a/src/danog/MadelineProto/Db/MysqlArray.php
+++ b/src/danog/MadelineProto/Db/MysqlArray.php
@@ -40,7 +40,7 @@ class MysqlArray implements DbArray
 
     }
 
-    public static function getInstance(string $name, $value = null, string $tablePrefix = '', array $settings = []): DbType
+    public static function getInstance(string $name, $value = null, string $tablePrefix = '', array $settings = []): Promise
     {
         $instance = new static();
 
@@ -49,43 +49,51 @@ class MysqlArray implements DbArray
         $instance->db = static::getDbConnection($settings);
         $instance->ttl = $settings['cache_ttl'] ?? $instance->ttl;
 
-        Loop::defer(static function() use($value, $instance) {
-            if ($value instanceof static && $value->table) {
-                if (
-                    mb_strpos($value->table, 'tmp') === 0 &&
-                    mb_strpos($instance->table, 'tmp') !== 0
-                ) {
-                    yield from $instance->renameTable($value->table, $instance->table);
-                } elseif (mb_strpos($instance->table, 'tmp') === 0){
-                    $instance->table = $value->table;
-                }
-            }
-
+        return call(static function() use($instance, $value) {
+            yield from static::renameTmpTable($instance, $value);
             yield from $instance->prepareTable();
+            Loop::defer(fn() => static::migrateDataToDb($instance, $value));
 
-            if (!empty($value) && !$value instanceof static) {
-                Logger::log('Converting database.', Logger::ERROR);
-                if ($value instanceof DbArray) {
-                    $value = $value->getArrayCopy();
-                }
-                $value = (array) $value;
-                $counter = 0;
-                $total = count($value);
-                foreach ((array) $value as $key => $item) {
-                    $counter++;
-                    if ($counter % 100 === 0) {
-                        yield $instance->offsetSet($key, $item);
-                        Logger::log("Converting database. $counter/$total", Logger::WARNING);
-                    } else {
-                        $instance->offsetSet($key, $item);
-                    }
-
-                }
-                Logger::log('Converting database done.', Logger::ERROR);
-            }
+            return $instance;
         });
+    }
 
-        return $instance;
+    private static function renameTmpTable(MysqlArray $instance, ?DbArray $value): \Generator
+    {
+        if ($value instanceof static && $value->table) {
+            if (
+                mb_strpos($value->table, 'tmp') === 0 &&
+                mb_strpos($instance->table, 'tmp') !== 0
+            ) {
+                yield from $instance->renameTable($value->table, $instance->table);
+            } elseif (mb_strpos($instance->table, 'tmp') === 0) {
+                $instance->table = $value->table;
+            }
+        }
+    }
+
+    private static function migrateDataToDb(MysqlArray $instance, ?DbArray $value): \Generator
+    {
+        if (!empty($value) && !$value instanceof static) {
+            Logger::log('Converting database.', Logger::ERROR);
+            if ($value instanceof DbArray) {
+                $value = $value->getArrayCopy();
+            }
+            $value = (array) $value;
+            $counter = 0;
+            $total = count($value);
+            foreach ((array) $value as $key => $item) {
+                $counter++;
+                if ($counter % 100 === 0) {
+                    yield $instance->offsetSet($key, $item);
+                    Logger::log("Converting database. $counter/$total", Logger::WARNING);
+                } else {
+                    $instance->offsetSet($key, $item);
+                }
+
+            }
+            Logger::log('Converting database done.', Logger::ERROR);
+        }
     }
 
     /**
@@ -262,6 +270,7 @@ class MysqlArray implements DbArray
      */
     private function prepareTable()
     {
+        Logger::log("Creating/checking table {$this->table}", Logger::WARNING);
         return yield $this->request("
             CREATE TABLE IF NOT EXISTS `{$this->table}`
             (
@@ -278,6 +287,7 @@ class MysqlArray implements DbArray
 
     private function renameTable(string $from, string $to)
     {
+        Logger::log("Renaming table {$from} to {$to}", Logger::WARNING);
         yield $this->request("
             ALTER TABLE `{$from}` RENAME TO `{$to}`;
         ");
diff --git a/src/danog/MadelineProto/MTProto.php b/src/danog/MadelineProto/MTProto.php
index d9e15291..e71ad4fe 100644
--- a/src/danog/MadelineProto/MTProto.php
+++ b/src/danog/MadelineProto/MTProto.php
@@ -572,7 +572,7 @@ class MTProto extends AsyncConstruct implements TLCallback
             if ($reset) {
                 unset($this->{$property});
             } else {
-                $this->{$property} = DbPropertiesFabric::get($this, $type, $property, $this->{$property});
+                $this->{$property} = yield DbPropertiesFabric::get($this, $type, $property, $this->{$property});
             }
         }