diff --git a/libraries/libldap/os-ip.c b/libraries/libldap/os-ip.c
index 4092b742fa..55636aaece 100644
--- a/libraries/libldap/os-ip.c
+++ b/libraries/libldap/os-ip.c
@@ -769,7 +769,7 @@ ldap_host_connected_to( Sockbuf *sb, const char *host )
 		char *herr;
 #ifdef NI_MAXHOST
 		char hbuf[NI_MAXHOST];
-#elif defined( MAXHOSTNAMELEN
+#elif defined( MAXHOSTNAMELEN )
 		char hbuf[MAXHOSTNAMELEN];
 #else
 		char hbuf[256];