diff --git a/ide/packages/idedebugger/debugger.pp b/ide/packages/idedebugger/debugger.pp
index 6cc951942a..f77fd63550 100644
--- a/ide/packages/idedebugger/debugger.pp
+++ b/ide/packages/idedebugger/debugger.pp
@@ -4009,7 +4009,7 @@ end;
 
 procedure TCurrentWatchValue.RequestData;
 begin
-  FFpDbgConverter.Free;
+  FreeAndNil(FFpDbgConverter);
   if Watch.FpDbgConverter <> nil then
     FFpDbgConverter := TIdeFpDbgConverterConfig(Watch.FpDbgConverter.CreateCopy);
   TCurrentWatch(Watch).RequestData(self);