diff --git a/Source/Modules/InputHandler_Core.swift b/Source/Modules/InputHandler_Core.swift
index 05821b9b..1406b547 100644
--- a/Source/Modules/InputHandler_Core.swift
+++ b/Source/Modules/InputHandler_Core.swift
@@ -114,6 +114,7 @@ public class InputHandler: InputHandlerProtocol {
     clearComposerAndCalligrapher()
     compositor.clear()
     isCodePointInputMode = false
+    isHaninKeyboardSymbolMode = false
   }
 
   /// 警告：該參數僅代指組音區/組筆區域與組字區在目前狀態下被視為「空」。