diff --git a/pkg/querier/querier.go b/pkg/querier/querier.go
index a3a8309829f40..cdc4175f9fb0a 100644
--- a/pkg/querier/querier.go
+++ b/pkg/querier/querier.go
@@ -86,7 +86,7 @@ func (cfg *Config) RegisterFlags(f *flag.FlagSet) {
 	f.BoolVar(&cfg.QueryIngesterOnly, "querier.query-ingester-only", false, "When true, queriers only query the ingesters, and not stored data. This is useful when the object store is unavailable.")
 	f.BoolVar(&cfg.MultiTenantQueriesEnabled, "querier.multi-tenant-queries-enabled", false, "When true, allow queries to span multiple tenants.")
 	f.BoolVar(&cfg.PerRequestLimitsEnabled, "querier.per-request-limits-enabled", false, "When true, querier limits sent via a header are enforced.")
-	f.BoolVar(&cfg.QueryPartitionIngesters, "querier.query_partition_ingesters", false, "When true, querier directs ingester queries to the partition-ingesters instead of the normal ingesters.")
+	f.BoolVar(&cfg.QueryPartitionIngesters, "querier.query-partition-ingesters", false, "When true, querier directs ingester queries to the partition-ingesters instead of the normal ingesters.")
 }
 
 // Validate validates the config.