diff --git a/doc/man/man3/ldap_sync.3 b/doc/man/man3/ldap_sync.3
index 1227cd8571..efb446cb3a 100644
--- a/doc/man/man3/ldap_sync.3
+++ b/doc/man/man3/ldap_sync.3
@@ -8,7 +8,7 @@ ldap_sync_init, ldap_sync_init_refresh_only, ldap_sync_init_refresh_and_persist,
 OpenLDAP LDAP (libldap, -lldap)
 .SH SYNOPSIS
 .nf
-.B #include <ldap_sync.h>
+.B #include <ldap.h>
 .LP
 .BI "int ldap_sync_init(ldap_sync_t *" ls ", int " mode ");"
 .LP