diff --git a/servers/slapd/daemon.c b/servers/slapd/daemon.c
index 4f8b3c7a37..4cf0d97293 100644
--- a/servers/slapd/daemon.c
+++ b/servers/slapd/daemon.c
@@ -484,7 +484,7 @@ slapd_daemon_task(
 
 		for ( l = 0; l < N_LISTENERS; l++ ) {
 			ber_int_t s;
-			int len = sizeof(from);
+			socklen_t len = sizeof(from);
 			long id;
 
 			if ( listeners[l].tcps < 0 )