diff --git a/pkg/services/control/server/set_shard_mode.go b/pkg/services/control/server/set_shard_mode.go
index ed7b26f6..555be1bd 100644
--- a/pkg/services/control/server/set_shard_mode.go
+++ b/pkg/services/control/server/set_shard_mode.go
@@ -31,7 +31,7 @@ func (s *Server) SetShardMode(_ context.Context, req *control.SetShardModeReques
 	case control.ShardMode_DEGRADED:
 		m = mode.Degraded
 	case control.ShardMode_DEGRADED_READ_ONLY:
-		m = mode.ReadOnly
+		m = mode.DegradedReadOnly
 	default:
 		return nil, status.Error(codes.Internal, fmt.Sprintf("unknown shard mode: %s", requestedMode))
 	}