diff --git a/plugins/provisioners/ansible/config.rb b/plugins/provisioners/ansible/config.rb
index 98dfb73a7..35c972877 100644
--- a/plugins/provisioners/ansible/config.rb
+++ b/plugins/provisioners/ansible/config.rb
@@ -11,6 +11,9 @@ module VagrantPlugins
       attr_accessor :verbose
       attr_accessor :tags
 
+      # Joker attribute, used to pass unsupported arguments to ansible anyway
+      attr_accessor :raw_arguments
+
       def initialize
         @playbook       = UNSET_VALUE
         @extra_vars     = UNSET_VALUE
@@ -21,6 +24,7 @@ module VagrantPlugins
         @sudo_user      = UNSET_VALUE
         @verbose        = UNSET_VALUE
         @tags           = UNSET_VALUE
+        @raw_arguments  = UNSET_VALUE
       end
 
       def finalize!
@@ -33,6 +37,7 @@ module VagrantPlugins
         @sudo_user      = nil if @sudo_user == UNSET_VALUE
         @verbose        = nil if @verbose == UNSET_VALUE
         @tags           = nil if @tags == UNSET_VALUE
+        @raw_arguments  = nil if @raw_arguments == UNSET_VALUE
       end
 
       def validate(machine)
diff --git a/plugins/provisioners/ansible/provisioner.rb b/plugins/provisioners/ansible/provisioner.rb
index d84f714dd..1f51d5323 100644
--- a/plugins/provisioners/ansible/provisioner.rb
+++ b/plugins/provisioners/ansible/provisioner.rb
@@ -4,7 +4,13 @@ module VagrantPlugins
       def provision
         ssh = @machine.ssh_info
 
+        # Connect with Vagrant user (unless --user or --private-key are overidden by 'raw_arguments')
         options = %W[--private-key=#{ssh[:private_key_path]} --user=#{ssh[:username]}]
+
+        # Joker! Not (yet) supported arguments can be passed this way.
+        options << "#{config.raw_arguments}" if config.raw_arguments
+
+        # Append Provisioner options (higher precedence):
         options << "--extra-vars=" + config.extra_vars.map{|k,v| "#{k}=#{v}"}.join(' ') if config.extra_vars
         options << "--inventory-file=#{config.inventory_file}" if config.inventory_file
         options << "--ask-sudo-pass" if config.ask_sudo_pass