diff --git a/src/TextMateSharp/Grammar/StateStack.cs b/src/TextMateSharp/Grammar/StateStack.cs
index c229e29..aaa248b 100644
--- a/src/TextMateSharp/Grammar/StateStack.cs
+++ b/src/TextMateSharp/Grammar/StateStack.cs
@@ -103,6 +103,7 @@ public void Reset()
             while (el != null)
             {
                 el._enterPos = -1;
+                el._anchorPos = -1;
                 el = el.Parent;
             }
         }