diff --git a/scripts/build-chunk.py b/scripts/build-chunk.py
index 9c46e2f..762808c 100755
--- a/scripts/build-chunk.py
+++ b/scripts/build-chunk.py
@@ -110,13 +110,11 @@ os.system("sed -i 's/DB_NAME.*/DB_NAME = \"" + db_name + "\"/' projects/worldbui
 
 os.system("echo '" + bounds + "' > projects/worldbuild-" + name + "/settings")
 
-os.system("./build -t 1 worldbuild-" + name)
+os.system("./build -S 10 -t 1 worldbuild-" + name)
 
 if os.path.isfile("projects/worldbuild-" + name + "/osm2city-exceptions.log"):
 	os.system("mv projects/worldbuild-" + name + "/osm2city-exceptions.log projects/worldbuild/output/error/" + name + ".exceptions.log")
 
-os.system("sleep 60")
-
 os.system("rm -rf projects/worldbuild-" + name)
 
 send_status(name, "done")