diff --git a/components/lazdebuggers/lazdebugtestbase/ttestdebuggerclasses.pas b/components/lazdebuggers/lazdebugtestbase/ttestdebuggerclasses.pas
index c5c814a394..2b5449aa08 100644
--- a/components/lazdebuggers/lazdebugtestbase/ttestdebuggerclasses.pas
+++ b/components/lazdebuggers/lazdebugtestbase/ttestdebuggerclasses.pas
@@ -100,7 +100,7 @@ type
                        const AStackFrame: Integer
                       );
     constructor Create(AOwnerWatch: TWatch); override;
-    destructor Destroy;
+    destructor Destroy; override;
   end;
 
   { TTestWatchValueList }