diff --git a/src/plugins/rmodifier/rmodifier.c b/src/plugins/rmodifier/rmodifier.c
index ac3250e23..9d65bfd59 100644
--- a/src/plugins/rmodifier/rmodifier.c
+++ b/src/plugins/rmodifier/rmodifier.c
@@ -240,7 +240,7 @@ rmodifier_hook_modifiers (struct t_rmodifier *rmodifier)
                  * we use a high priority here, so that other modifiers
                  * (from other plugins) will be called after this one
                  */
-                snprintf (str_modifier, sizeof (str_modifier) - 1,
+                snprintf (str_modifier, sizeof (str_modifier),
                           "5000|%s", argv[i]);
                 rmodifier->hooks[i] = weechat_hook_modifier (str_modifier,
                                                              &rmodifier_modifier_cb,