diff --git a/components/tachart/tasources.pas b/components/tachart/tasources.pas
index f036d8db8c..3df712b859 100644
--- a/components/tachart/tasources.pas
+++ b/components/tachart/tasources.pas
@@ -452,7 +452,8 @@ begin
       end else
         Y := NaN;
       Color := StrToInt(NextPart);
-      Text := StringReplace(NextPart, '""', '"', [rfReplaceall]);
+      Text := NextPart;
+//      Text := StringReplace(NextPart, '""', '"', [rfReplaceall]);
     end;
   finally
     parts.Free;
diff --git a/components/tachart/test/SourcesTest.pas b/components/tachart/test/SourcesTest.pas
index 4bb92f6a4c..7aa297638f 100644
--- a/components/tachart/test/SourcesTest.pas
+++ b/components/tachart/test/SourcesTest.pas
@@ -583,9 +583,15 @@ begin
   FSource.DataPoints.Add('1|2|3|?|"This is ""quoted"""');
   AssertEquals('This is "quoted"', FSource[11]^.Text);
 
+  FSource.DataPoints.Add('1|2|3|?|Single ".');
+  AssertEquals('Single ".', FSource[12]^.Text);
+
+  FSource.DataPoints.Add('1|2|3|?|Two quotes "".');
+  AssertEquals('Two quotes "".', FSource[13]^.Text);
+
   // Check Text part containing separator and quotes
   FSource.DataPoints.Add('1|2|3|?|"Number of ""|"" items"');
-  AssertEquals('Number of "|" items', FSource[12]^.Text);
+  AssertEquals('Number of "|" items', FSource[14]^.Text);
 
   // Check multiple x and y values
   FSource.Clear;