diff --git a/Source/Modules/ControllerModules/KeyHandler.mm b/Source/Modules/ControllerModules/KeyHandler.mm
index 46883043..e7dc6a61 100644
--- a/Source/Modules/ControllerModules/KeyHandler.mm
+++ b/Source/Modules/ControllerModules/KeyHandler.mm
@@ -154,6 +154,7 @@ static NSString *const kGraphVizOutputfile = @"/tmp/vChewing-visualization.dot";
         _languageModel = [mgrLangModel lmCHT];
         _languageModel->setPhraseReplacementEnabled(Preferences.phraseReplacementEnabled);
         _languageModel->setCNSEnabled(Preferences.cns11643Enabled);
+        _languageModel->setSymbolEnabled(Preferences.symbolInputEnabled);
         _userOverrideModel = [mgrLangModel userOverrideModelCHT];
 
         _builder = new Gramambular::BlockReadingBuilder(_languageModel);