diff --git a/Command.php b/Command.php
index 8ef57a6..1f7ba86 100644
--- a/Command.php
+++ b/Command.php
@@ -177,7 +177,7 @@ class Command extends Component
 				return $this->_prepare();
 			}
 
-            $errorMsg = $throwable->getMessage() . PHP_EOL . '                 Sql: ' . $this->sql . '.' . json_encode($this->params);
+            $errorMsg = $throwable->getMessage() . PHP_EOL . '                 Sql: ' . $this->sql . '.' . json_encode($this->params, JSON_UNESCAPED_UNICODE);
 
             return $this->getLogger()->logCategory($errorMsg . PHP_EOL, 'mysql');
         } finally {