diff --git a/plugins/script b/plugins/script
index 42960c1..2e8fb0d 100755
--- a/plugins/script
+++ b/plugins/script
@@ -2197,6 +2197,9 @@ defn (fn_dot)
 		return false;
 	}
 
+	if (buf.len > 255)
+		buf.s[255] = '\0';
+
 	printf ("PRIVMSG %s :%s%s\r\n", info->ctx, info->ctx_quote, buf.s);
 	free (buf.s);
 	return true;