diff --git a/components/codetools/definetemplates.pas b/components/codetools/definetemplates.pas
index 42c26fd6e8..67bbb0b210 100644
--- a/components/codetools/definetemplates.pas
+++ b/components/codetools/definetemplates.pas
@@ -6860,6 +6860,7 @@ begin
        +LazarusSrcDir+'/components/lazdebuggers/lazdebuggerintf;'
        +LazarusSrcDir+'/components/lazdebuggers/lazdebuggerfp;'
        +LazarusSrcDir+'/components/lazdebuggers/lazdebuggerfplldb;'
+       +LazarusSrcDir+'/components/virtualtreeview;'
        +LazarusSrcDir+'/lcl;'
        +LazarusSrcDir+'/lcl/interfaces;'
        +LazarusSrcDir+'/lcl/interfaces/'+WidgetType+';'