diff --git a/src/plugins/codegeex/widgets/inputeditwidget.cpp b/src/plugins/codegeex/widgets/inputeditwidget.cpp
index 4f336d544..493313224 100644
--- a/src/plugins/codegeex/widgets/inputeditwidget.cpp
+++ b/src/plugins/codegeex/widgets/inputeditwidget.cpp
@@ -66,7 +66,7 @@ class TagObjectInterface : public QObject, public QTextObjectInterface
 
         using DTK_GUI_NAMESPACE::DPalette;
 
-        DPalette dp(DGuiApplicationHelper::instance()->applicationPalette());
+        DPalette dp(Dtk::DGuiApplicationHelper::instance()->applicationPalette());
 
         auto color = dp.color(DPalette::LightLively);
         color.setAlpha(26);