diff --git a/src/u_synmemo.pas b/src/u_synmemo.pas
index b5e162e2..3edd353a 100644
--- a/src/u_synmemo.pas
+++ b/src/u_synmemo.pas
@@ -2915,6 +2915,8 @@ begin
     h := TStringHashSet.create();
     for i := 0 to lines.Count-1 do
     begin
+      if i.equals(CaretY - 1) then
+        continue;
       r := TStringRange.create(lines[i]);
       while not r.empty do
       begin