Index: src/text.c
===================================================================
--- src/text.c	(revision 5008)
+++ src/text.c	(working copy)
@@ -843,9 +843,9 @@
     /* Ugh, if we were called while cutting not-to-end, non-marked, and
      * on the same lineno, we need to abort here. */
     u = fs->current_undo;
-    if (u && u->mark_begin_lineno == fs->current->lineno &&
+    if (u && u->mark_begin_lineno == fs->current->lineno && u->mark_begin_x == fs->current_x &&
 	((current_action == CUT && u->type == CUT && !u->mark_set && keeping_cutbuffer()) ||
-	(current_action == ADD && u->type == ADD && u->mark_begin_x == fs->current_x)))
+	(current_action == ADD && u->type == ADD)))
 	return;
 
     /* Blow away the old undo stack if we are starting from the middle. */