diff --git a/albow/fields.py b/albow/fields.py
index 9dc1816..cf8691e 100644
--- a/albow/fields.py
+++ b/albow/fields.py
@@ -676,8 +676,10 @@ class TextEditorWrapped(Widget):
         text = self.get_text()
         i = self.insertion_step
         il = self.insertion_line
-        if i is not None:
-            i = max(0, min(i, len(self.textL[il])))
+        if il is not None:
+            il = max(0, min(il, (len(self.textL)-1)))
+        if i is not None and il is not None:
+            i = max(0, min(i, len(self.textL[il])-1))
         return text, i, il
 
     def move_insertion_point(self, d):