diff --git a/src/core/expandos.c b/src/core/expandos.c
index 67aea837..2e4265d5 100644
--- a/src/core/expandos.c
+++ b/src/core/expandos.c
@@ -51,7 +51,7 @@ const char *current_expando = NULL;
 
 static int timer_tag;
 
-static EXPANDO_REC *char_expandos[255];
+static EXPANDO_REC *char_expandos[256];
 static GHashTable *expandos;
 static char *last_sent_msg, *last_sent_msg_body;
 static char *last_privmsg_from, *last_public_from;