1 files changed, 1 insertions, 1 deletions

diff --git a/src/editfns.c b/src/editfns.c
index 1ce5e8ca6f0..56aa8ce1a72 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -4747,7 +4747,7 @@ styled_format (ptrdiff_t nargs, Lisp_Object *args, bool message)
 
       /* Add text properties from arguments.  */
       if (arg_intervals)
-        for (ptrdiff_t i = 1; i < num_percent; i++)
+        for (ptrdiff_t i = 1; i <= num_percent; i++)
           if (info[i].intervals)
             {
               len = make_number (SCHARS (info[i].argument));