diff --git a/cmd/mtseeder/main.go b/cmd/mtseeder/main.go
index 5d13502..557506e 100644
--- a/cmd/mtseeder/main.go
+++ b/cmd/mtseeder/main.go
@@ -33,7 +33,7 @@ func main() {
 	flag.StringVar(&colorsFile, "colors", "colors.txt", "definition of colors")
 	flag.StringVar(&outDir, "output-dir", "map", "directory with the resulting image tree")
 	flag.StringVar(&outDir, "o", "map", "directory with the resulting image tree")
-	flag.IntVar(&numWorkers, "worker", 1, "number of workers")
+	flag.IntVar(&numWorkers, "workers", 1, "number of workers")
 	flag.IntVar(&numWorkers, "w", 1, "number of workers (shorthand)")
 	flag.BoolVar(&skipBaseLevel, "skip-base-level", false, "Do not generate base level tiles")
 	flag.BoolVar(&skipBaseLevel, "sb", false, "Do not generate base level tiles (shorthand)")