diff --git a/tempest/api/network/test_routers.py b/tempest/api/network/test_routers.py
index 1308414..aa3d274 100644
--- a/tempest/api/network/test_routers.py
+++ b/tempest/api/network/test_routers.py
@@ -275,7 +275,7 @@
         next_cidr = netaddr.IPNetwork(self.tenant_cidr)
         # Prepare to build several routes
         test_routes = []
-        routes_num = 5
+        routes_num = 4
         # Create a router
         router = self._create_router(
             data_utils.rand_name('router-'), True)