1 files changed, 1 insertions, 1 deletions

diff --git a/src/editfns.c b/src/editfns.c
index 0e4f7ce540e..8949b183947 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -1978,7 +1978,7 @@ Both characters must have the same length of multi-byte form.")
               /* replace_range is less efficient, because it moves the gap,
                  but it handles combining correctly.  */
               replace_range (pos, pos + 1, string,
-                             0, 0, 0);
+                             0, 0, 1);
               if (! NILP (noundo))
                 current_buffer->undo_list = tem;