diff --git a/main.go b/main.go
index 6e56afa44..bcd9f8b51 100644
--- a/main.go
+++ b/main.go
@@ -39,10 +39,11 @@ var (
 	printVersion                 = flag.Bool("version", false, "print version information")
 	configFile                   = flag.String("configFile", "prometheus.conf", "Prometheus configuration file name.")
 	metricsStoragePath           = flag.String("metricsStoragePath", "/tmp/metrics", "Base path for metrics storage.")
-	samplesQueueCapacity         = flag.Int("samplesQueueCapacity", 4096, "The size of the unwritten samples queue.")
 	concurrentRetrievalAllowance = flag.Int("concurrentRetrievalAllowance", 15, "The number of concurrent metrics retrieval requests allowed.")
-	diskAppendQueueCapacity      = flag.Int("queue.diskAppendCapacity", 1000000, "The size of the queue for items that are pending writing to disk.")
-	memoryAppendQueueCapacity    = flag.Int("queue.memoryAppendCapacity", 10000, "The size of the queue for items that are pending writing to memory.")
+
+	samplesQueueCapacity      = flag.Int("queue.samplesCapacity", 4096, "The size of the unwritten samples queue.")
+	diskAppendQueueCapacity   = flag.Int("queue.diskAppendCapacity", 1000000, "The size of the queue for items that are pending writing to disk.")
+	memoryAppendQueueCapacity = flag.Int("queue.memoryAppendCapacity", 10000, "The size of the queue for items that are pending writing to memory.")
 
 	headCompactInterval = flag.Duration("compact.headInterval", 10*3*time.Minute, "The amount of time between head compactions.")
 	bodyCompactInterval = flag.Duration("compact.bodyInterval", 10*5*time.Minute, "The amount of time between body compactions.")