diff --git a/servers/slapd/bconfig.c b/servers/slapd/bconfig.c
index b24e97a771..4e2d7f2b64 100644
--- a/servers/slapd/bconfig.c
+++ b/servers/slapd/bconfig.c
@@ -898,7 +898,7 @@ config_generic(ConfigArgs *c) {
 			c->value_int = (SLAP_NOLASTMOD(c->be) == 0);
 			break;
 		case CFG_MIRRORMODE:
-			c->value_int = (SLAP_SINGLE_SHADOW(c->be) == 0);
+			c->value_int = (SLAP_SHADOW(c->be) && (SLAP_SINGLE_SHADOW(c->be) == 0));
 			break;
 		case CFG_SSTR_IF_MAX:
 			c->value_int = index_substr_if_maxlen;