diff --git a/kplayer/kplayersettingssubtitles.ui b/kplayer/kplayersettingssubtitles.ui
index 8b946b9..9345679 100644
--- a/kplayer/kplayersettingssubtitles.ui
+++ b/kplayer/kplayersettingssubtitles.ui
@@ -667,4 +667,7 @@
     <slot access="protected">autoloadSubtitlesChanged(bool)</slot>
 </slots>
 <layoutdefaults spacing="6" margin="0"/>
+<includes>
+    <include location="global" impldecl="in implementation">tdefontcombo.h</include>
+</includes>
 </UI>