diff --git a/ChangeLog b/ChangeLog
index b70a62711f..16048a5dde 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,7 +2,7 @@ Tue Jun  4 00:45:50 2002  Nobuyoshi Nakada  <nobu.nokada@softhome.net>
 
 	* ext/socket/addrinfo.h: typo.
 
-	* ext/socket/getaddrinfo.c (gai_strerror): get rid of warning.
+	* ext/socket/getaddrinfo.c (gai_strerror): make literals const.
 
 	* ext/socket/socket.c (init_inetsock): ensures resources are
 	  freed at exceptions.
diff --git a/ext/socket/getaddrinfo.c b/ext/socket/getaddrinfo.c
index eddb67e333..0a6af3111f 100644
--- a/ext/socket/getaddrinfo.c
+++ b/ext/socket/getaddrinfo.c
@@ -143,7 +143,7 @@ static int get_addr __P((const char *, int, struct addrinfo **,
 			struct addrinfo *, int));
 static int str_isnumber __P((const char *));
 	
-static char *ai_errlist[] = {
+static const char *ai_errlist[] = {
 	"success.",
 	"address family for hostname not supported.",	/* EAI_ADDRFAMILY */
 	"temporary failure in name resolution.",	/* EAI_AGAIN      */