diff --git a/components/tachart/tachartaxisutils.pas b/components/tachart/tachartaxisutils.pas
index f8b381ba01..9430a023e0 100644
--- a/components/tachart/tachartaxisutils.pas
+++ b/components/tachart/tachartaxisutils.pas
@@ -308,6 +308,8 @@ begin
   Result.FTransf := FTransf;
   Result.FValueMax := FValueMax;
   Result.FValueMin := FValueMin;
+  Result.FMinForMarks := FMinForMarks;
+  Result.FMaxForMarks := FMaxForMarks;
   Result.FZOffset := FZOffset;
 end;