diff --git a/src/vmm_mad/remotes/lib/vcenter_driver/virtual_machine.rb b/src/vmm_mad/remotes/lib/vcenter_driver/virtual_machine.rb
index 3e3ab6a2f8..b3bff73166 100644
--- a/src/vmm_mad/remotes/lib/vcenter_driver/virtual_machine.rb
+++ b/src/vmm_mad/remotes/lib/vcenter_driver/virtual_machine.rb
@@ -2438,7 +2438,7 @@ end
             if snapshots? || one_snapshots?
                 error_msg =  'Existing sytem snapshots, cannot change disks. '
                 error_msg << 'Please remove all snapshots and try again.'
-                raise error_message
+                raise error_msg
             end
 
             spec_hash     = {}