diff --git a/components/lazcontrols/spinex.inc b/components/lazcontrols/spinex.inc
index 73bd0a228f..c65316ae9d 100644
--- a/components/lazcontrols/spinex.inc
+++ b/components/lazcontrols/spinex.inc
@@ -204,6 +204,9 @@ end;
 procedure TSpinEditExBase.InitializeWnd;
 begin
   inherited InitializeWnd;
+  // at this point Text will be empty, which in UpdateControl will invoke the NullValueBehaviour
+  // so make sure that Text will represent FValue now
+  Text := ValueToStr(FValue);
   UpdateControl;
 end;