diff --git a/app/vmalert/remotewrite/remotewrite.go b/app/vmalert/remotewrite/remotewrite.go
index acb919ceb..f508fded7 100644
--- a/app/vmalert/remotewrite/remotewrite.go
+++ b/app/vmalert/remotewrite/remotewrite.go
@@ -95,6 +95,7 @@ func NewClient(ctx context.Context, cfg Config) (*Client, error) {
 		baPass:        cfg.BasicAuthPass,
 		flushInterval: cfg.FlushInterval,
 		maxBatchSize:  cfg.MaxBatchSize,
+		maxQueueSize:  cfg.MaxQueueSize,
 		doneCh:        make(chan struct{}),
 		input:         make(chan prompbmarshal.TimeSeries, cfg.MaxQueueSize),
 	}