--- ./src/ngircd/defines.h.orig
+++ ./src/ngircd/defines.h
@@ -40,7 +40,7 @@
 					 * section 1.2.1 */
 #define CLIENT_NICK_LEN 32		/* Maximum nick name length */
 #define CLIENT_PASS_LEN 21		/* Max. password length */
-#define CLIENT_USER_LEN 10		/* Max. length of user name ("login")
+#define CLIENT_USER_LEN 64		/* Max. length of user name ("login")
 					   see RFC 2812, section 1.2.1 */
 #define CLIENT_NAME_LEN 32		/* Max. length of "real names" */
 #define CLIENT_HOST_LEN 64		/* Max. host name length */