diff --git a/components/synedit/Source/SynEditHighlighter.pas b/components/synedit/Source/SynEditHighlighter.pas
index a0f72401..0d6d2125 100644
--- a/components/synedit/Source/SynEditHighlighter.pas
+++ b/components/synedit/Source/SynEditHighlighter.pas
@@ -1174,7 +1174,7 @@ begin
   Delta := Run - fOldRun;
   while Delta > 0 do
   begin
-    while (Length(fExpandedLine) < ExpandedRun) and (fExpandedLine[ExpandedRun] = FillerChar) do
+    while fExpandedLine[ExpandedRun] = FillerChar do
       inc(ExpandedRun);
     inc(ExpandedRun);
     dec(Delta);