diff --git a/backend/generation.go b/backend/generation.go
index 0c98edda..2b61f4ad 100644
--- a/backend/generation.go
+++ b/backend/generation.go
@@ -28,6 +28,7 @@ type genStruct struct {
 	Type GenerateType
 }
 
+var parallelJobs = runtime.NumCPU()
 var genTeamQueue chan *fic.Team
 var genQueue chan genStruct
 var inQueueMutex sync.RWMutex
@@ -37,8 +38,11 @@ func init() {
 	genTeamQueue = make(chan *fic.Team)
 	genQueue = make(chan genStruct)
 	inGenQueue = map[GenerateType]bool{}
+}
 
-	for i := runtime.NumCPU(); i > 0; i-- {
+func launchWorkers() {
+	log.Println("Running with", parallelJobs, "worker(s)")
+	for i := parallelJobs; i > 0; i-- {
 		go consumer()
 	}
 }
diff --git a/backend/main.go b/backend/main.go
index c2911dd2..5f44b47d 100644
--- a/backend/main.go
+++ b/backend/main.go
@@ -87,6 +87,7 @@ func main() {
 	flag.StringVar(&fic.FilesDir, "files", "/files", "Request path prefix to reach files")
 	var debugINotify = flag.Bool("debuginotify", false, "Show skipped inotofy events")
 	flag.BoolVar(&skipInitialGeneration, "skipfullgeneration", skipInitialGeneration, "Skip the initial regeneration")
+	flag.IntVar(&parallelJobs, "jobs", parallelJobs, "Number of generation workers")
 	flag.Parse()
 
 	log.SetPrefix("[backend] ")
@@ -97,6 +98,8 @@ func main() {
 
 	rand.Seed(time.Now().UnixNano())
 
+	launchWorkers()
+
 	log.Println("Creating submission directory...")
 	if _, err := os.Stat(SubmissionDir); os.IsNotExist(err) {
 		if err := os.MkdirAll(SubmissionDir, 0777); err != nil {