diff --git a/block/sed-opal.c b/block/sed-opal.c
index 5a28f23f7f22..23a19c92d791 100644
--- a/block/sed-opal.c
+++ b/block/sed-opal.c
@@ -2940,7 +2940,8 @@ static int opal_activate_lsp(struct opal_dev *dev,
 	};
 	int ret;
 
-	if (!opal_lr_act->num_lrs || opal_lr_act->num_lrs > OPAL_MAX_LRS)
+	if (opal_lr_act->sum &&
+	    (!opal_lr_act->num_lrs || opal_lr_act->num_lrs > OPAL_MAX_LRS))
 		return -EINVAL;
 
 	ret = opal_get_key(dev, &opal_lr_act->key);