1 files changed, 1 insertions, 1 deletions

diff --git a/src/term.c b/src/term.c
index df7f86cba92..2d8123fda97 100644
--- a/src/term.c
+++ b/src/term.c
@@ -944,7 +944,7 @@ insert_glyphs (start, len)
   cmplus (len);
   /* The field `last_block' should be set to 1 only at the tail.  */
   terminal_coding.last_block = 0;
-  while (len > 0)
+  while (len-- > 0)
     {
       int produced, consumed;