diff --git a/builder/vmware/common/step_type_boot_command.go b/builder/vmware/common/step_type_boot_command.go
index 82e8b3e17..f67940280 100644
--- a/builder/vmware/common/step_type_boot_command.go
+++ b/builder/vmware/common/step_type_boot_command.go
@@ -200,7 +200,9 @@ func vncSendString(c *vnc.ClientConn, original string) {
 		}
 
 		c.KeyEvent(keyCode, true)
+                time.Sleep(time.Second/10)
 		c.KeyEvent(keyCode, false)
+                time.Sleep(time.Second/10)
 
 		if keyShift {
 			c.KeyEvent(KeyLeftShift, false)