diff --git a/servers/slapd/aclparse.c b/servers/slapd/aclparse.c
index b531990e42..e7f0407fd4 100644
--- a/servers/slapd/aclparse.c
+++ b/servers/slapd/aclparse.c
@@ -344,6 +344,7 @@ parse_acl(
 				goto fail;
 			}
 			a = (AccessControl *) ch_calloc( 1, sizeof(AccessControl) );
+			a->acl_attrval_style = ACL_STYLE_NONE;
 			for ( ++i; i < argc; i++ ) {
 				if ( strcasecmp( argv[i], "by" ) == 0 ) {
 					i--;
diff --git a/servers/slapd/slap.h b/servers/slapd/slap.h
index 7f6314cec6..bda67a8f09 100644
--- a/servers/slapd/slap.h
+++ b/servers/slapd/slap.h
@@ -1285,7 +1285,9 @@ typedef enum slap_style_e {
 	ACL_STYLE_SELF,
 	ACL_STYLE_IP,
 	ACL_STYLE_IPV6,
-	ACL_STYLE_PATH
+	ACL_STYLE_PATH,
+
+	ACL_STYLE_NONE
 } slap_style_t;
 
 typedef struct AuthorizationInformation {