diff --git a/lcl/grids.pas b/lcl/grids.pas
index 30f0ed2eea..b245940029 100644
--- a/lcl/grids.pas
+++ b/lcl/grids.pas
@@ -6546,7 +6546,7 @@ begin
       Result:= gzFixedCells
     else begin
       OffsetToColRow(True, True, X, aCol, aRow);
-      if (aCol<0) or (ColCount<=FixedCols) then
+      if (aCol<0) {or (ColCount<=FixedCols)} then  // Issue #41700.
         Result := gzInvalid
       else begin
         if AllowOutboundEvents then
@@ -6567,7 +6567,7 @@ begin
       Result:=gzFixedCells
     else begin
       OffsetToColRow(False, True, Y, aRow, aCol);
-      if (aRow<0) or (RowCount<=FixedRows) then
+      if (aRow<0) {or (RowCount<=FixedRows)} then // Issue #41700.
         Result := gzInvalid
       else begin
         if AllowOutboundEvents then