diff --git a/pkg/innerring/netmap.go b/pkg/innerring/netmap.go
index 1df6848cc..03b13b053 100644
--- a/pkg/innerring/netmap.go
+++ b/pkg/innerring/netmap.go
@@ -1,6 +1,8 @@
 package innerring
 
 import (
+	"fmt"
+
 	"github.com/nspcc-dev/neofs-node/pkg/innerring/processors/netmap/nodevalidation/state"
 	netmapclient "github.com/nspcc-dev/neofs-node/pkg/morph/client/netmap"
 )
@@ -16,5 +18,12 @@ type networkSettings netmapclient.Client
 // and check allowance of storage node's maintenance mode according to it.
 // Always returns state.ErrMaintenanceModeDisallowed.
 func (s *networkSettings) MaintenanceModeAllowed() error {
+	allowed, err := (*netmapclient.Client)(s).MaintenanceModeAllowed()
+	if err != nil {
+		return fmt.Errorf("read maintenance mode's allowance from the Sidechain: %w", err)
+	} else if allowed {
+		return nil
+	}
+
 	return state.ErrMaintenanceModeDisallowed
 }