diff --git a/components/fpspreadsheet/source/common/fpspreadsheet.pas b/components/fpspreadsheet/source/common/fpspreadsheet.pas
index 0011aa8a5..da6e27026 100644
--- a/components/fpspreadsheet/source/common/fpspreadsheet.pas
+++ b/components/fpspreadsheet/source/common/fpspreadsheet.pas
@@ -1502,6 +1502,12 @@ var
   ppi: Integer;
   u: TsSizeUnits;
 begin
+  // Default return values
+  ARow1 := 0;  ARowOffs1 := 0.0;
+  ACol1 := 0;  AColOffs1 := 0.0;
+  ARow2 := 0;  ARowOffs2 := 0.0;
+  ACol2 := 0;  AColOffs2 := 0.0;
+
   // Abbreviations
   ppi := ScreenPixelsPerInch;
   u := FWorkbook.Units;