diff --git a/docker/tools/onlbuilder b/docker/tools/onlbuilder
index 8e5e8c47..265e3349 100755
--- a/docker/tools/onlbuilder
+++ b/docker/tools/onlbuilder
@@ -20,7 +20,7 @@ g_timestamp = datetime.datetime.now().strftime("%Y-%m-%d.%H%M%S")
 g_builder7_image_name="opennetworklinux/builder7:1.2"
 g_builder8_image_name="opennetworklinux/builder8:1.5"
 
-g_default_image_name=g_builder7_image_name
+g_default_image_name=g_builder8_image_name
 g_default_container_name = "%s_%s" % (g_current_user, g_timestamp)
 g_default_user="%s:%s" % (g_current_user, g_current_uid)