diff --git a/nodepool/nodepool.yaml b/nodepool/nodepool.yaml
index feab07440f..025ee83251 100644
--- a/nodepool/nodepool.yaml
+++ b/nodepool/nodepool.yaml
@@ -823,7 +823,7 @@ providers:
     cloud: bluebox-sjc1
     api-timeout: 60
     boot-timeout: 120
-    max-servers: 39
+    max-servers: 0
     rate: 0.001
     pool: 'external'
     images: