diff --git a/lib/vmfloaty/ssh.rb b/lib/vmfloaty/ssh.rb
index 80ec104..0b62c53 100644
--- a/lib/vmfloaty/ssh.rb
+++ b/lib/vmfloaty/ssh.rb
@@ -31,6 +31,10 @@ class Ssh
 
       hostname = "#{response[host_os]["hostname"]}.#{response["domain"]}"
       ssh_options= ["-oStrictHostKeyChecking=no", "-oUserKnownHostsFile=/dev/null"]
+      if ENV['VMFLOATY_SSH_KEY']
+        ssh_options << "-i #{ENV['VMFLOATY_SSH_KEY']}"
+      end
+
       cmd = "#{ssh_path} #{ssh_options.join(' ')} #{user}@#{hostname}"
 
       # TODO: Should this respect more ssh settings? Can it be configured