diff --git a/servers/slapd/acl.c b/servers/slapd/acl.c
index 5e52833b1ffdf74f9a2f8ea569d1bd2b35542add..81a7e43e88ad6d006a91699b0672fc47317de89a 100644
--- a/servers/slapd/acl.c
+++ b/servers/slapd/acl.c
@@ -2305,6 +2305,7 @@ acl_check_modlist(
 
 		switch ( mlist->sml_op ) {
 		case LDAP_MOD_REPLACE:
+		case LDAP_MOD_INCREMENT:
 			/*
 			 * We must check both permission to delete the whole
 			 * attribute and permission to add the specific attributes.