diff --git a/doc/source/scripts.rst b/doc/source/scripts.rst
index efc3c3119..17e44cb3e 100644
--- a/doc/source/scripts.rst
+++ b/doc/source/scripts.rst
@@ -66,6 +66,8 @@ Those files include:
 
   **NODEPOOL_PROVIDER**
     The name of the provider
+  **NODEPOOL_CLOUD**
+    The name of the cloud
   **NODEPOOL_REGION**
     The name of the region
   **NODEPOOL_AZ**
diff --git a/nodepool/nodepool.py b/nodepool/nodepool.py
index c24539f5c..5df174e86 100644
--- a/nodepool/nodepool.py
+++ b/nodepool/nodepool.py
@@ -623,6 +623,7 @@ class NodeLauncher(threading.Thread):
             # Provider information for this node set
             f = ftp.open('/etc/nodepool/provider', 'w')
             f.write('NODEPOOL_PROVIDER=%s\n' % self.provider.name)
+            f.write('NODEPOOL_CLOUD=%s\n' % self.provider.cloud_config.name)
             f.write('NODEPOOL_REGION=%s\n' % (
                 self.provider.region_name or '',))
             f.write('NODEPOOL_AZ=%s\n' % (self.node.az or '',))