diff --git a/website/source/docs/builders/vmware-iso.html.md.erb b/website/source/docs/builders/vmware-iso.html.md.erb
index 21d19c183..8e1a77415 100644
--- a/website/source/docs/builders/vmware-iso.html.md.erb
+++ b/website/source/docs/builders/vmware-iso.html.md.erb
@@ -540,6 +540,9 @@ modify as well:
     format of the exported virtual machine. This defaults to "ovf".
     Before using this option, you need to install `ovftool`. This option
     works currently only with option remote_type set to "esx5".
+    Since ovftool is only capable of password based authentication
+    `remote_password` must be set when exporting the VM.
+
 
 ### VNC port discovery