diff --git a/os/access.c b/os/access.c
index 7d5e3b911..bb25aac30 100644
--- a/os/access.c
+++ b/os/access.c
@@ -1842,7 +1842,7 @@ siHostnameAddrMatch(int family, void *addr, int len,
         char hostname[SI_HOSTNAME_MAXLEN];
         int f, hostaddrlen;
         void *hostaddr;
-        const char **addrlist;
+        char **addrlist;
 
         if (siAddrLen >= sizeof(hostname))
             return FALSE;