diff --git a/pkg/querier/queryrange/limits.go b/pkg/querier/queryrange/limits.go
index ba544126a7841..07821030db370 100644
--- a/pkg/querier/queryrange/limits.go
+++ b/pkg/querier/queryrange/limits.go
@@ -353,7 +353,8 @@ func (q *querySizeLimiter) Do(ctx context.Context, r queryrangebase.Request) (qu
 	// Only support TSDB
 	schemaCfg, err := q.getSchemaCfg(r)
 	if err != nil {
-		return nil, httpgrpc.Errorf(http.StatusInternalServerError, "Failed to get schema config: %s", err.Error())
+		level.Error(log).Log("msg", "failed to get schema config, not applying querySizeLimit", "err", err)
+		return q.next.Do(ctx, r)
 	}
 	if schemaCfg.IndexType != config.TSDBType {
 		return q.next.Do(ctx, r)