diff --git a/go/vt/vtorc/logic/keyspace_shard_discovery.go b/go/vt/vtorc/logic/keyspace_shard_discovery.go
index 6e1607b6bb1..b1b5be062e0 100644
--- a/go/vt/vtorc/logic/keyspace_shard_discovery.go
+++ b/go/vt/vtorc/logic/keyspace_shard_discovery.go
@@ -18,6 +18,7 @@ package logic
 
 import (
 	"context"
+	"sync"
 
 	"golang.org/x/exp/maps"
 	"golang.org/x/sync/errgroup"