diff --git a/components/fpspreadsheet/source/visual/fpspreadsheetgrid.pas b/components/fpspreadsheet/source/visual/fpspreadsheetgrid.pas
index 1a62818cf..5f783228d 100644
--- a/components/fpspreadsheet/source/visual/fpspreadsheetgrid.pas
+++ b/components/fpspreadsheet/source/visual/fpspreadsheetgrid.pas
@@ -5891,6 +5891,9 @@ var
   h: Integer;     // Row height, in pixels. Contains zoom factor.
   doCalcRowHeight: Boolean;
 begin
+  if not HandleAllocated then
+    exit;
+
   if ARow < FHeaderCount then
     exit;