diff --git a/src/inputpanel/QskPinyinTextPredictor.cpp b/src/inputpanel/QskPinyinTextPredictor.cpp
index 4c849ab6..b26d04d5 100644
--- a/src/inputpanel/QskPinyinTextPredictor.cpp
+++ b/src/inputpanel/QskPinyinTextPredictor.cpp
@@ -102,3 +102,5 @@ void QskPinyinTextPredictor::request( const QString& text )
     m_data->candidates = candidates;
     Q_EMIT predictionChanged();
 }
+
+#include "moc_QskPinyinTextPredictor.cpp"
diff --git a/src/inputpanel/QskPinyinTextPredictor.h b/src/inputpanel/QskPinyinTextPredictor.h
index 09ad51c8..fa671d2c 100644
--- a/src/inputpanel/QskPinyinTextPredictor.h
+++ b/src/inputpanel/QskPinyinTextPredictor.h
@@ -12,6 +12,8 @@
 
 class QSK_INPUTCONTEXT_EXPORT QskPinyinTextPredictor : public QskTextPredictor
 {
+    Q_OBJECT
+
     using Inherited = QskTextPredictor;
 
   public: