1 files changed, 1 insertions, 1 deletions

diff --git a/src/textprop.c b/src/textprop.c
index 13cd87ac473..93d19754da5 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -1351,7 +1351,7 @@ into it.  */)
                          (NILP (append)
                           ? TEXT_PROPERTY_PREPEND
                           : TEXT_PROPERTY_APPEND),
-                         !STRINGP (object));
+                         false);
   return Qnil;
 }