diff --git a/lib/vagrant/commands/base.rb b/lib/vagrant/commands/base.rb
index 18f009b2d..d1b1db2a0 100644
--- a/lib/vagrant/commands/base.rb
+++ b/lib/vagrant/commands/base.rb
@@ -105,14 +105,9 @@ module Vagrant
         if args[0]
           send(single_method, args[0])
         else
-          threads = []
           env.vms.keys.each do |name|
-            threads << Thread.new do
-              send(single_method, name)
-            end
+            send(single_method, name)
           end
-
-          threads.each { |t| t.join }
         end
       end
 
diff --git a/vagrant.gemspec b/vagrant.gemspec
index b5d1a011c..e7d88202f 100644
--- a/vagrant.gemspec
+++ b/vagrant.gemspec
@@ -71,6 +71,7 @@ Gem::Specification.new do |s|
      "lib/vagrant/commands/halt.rb",
      "lib/vagrant/commands/init.rb",
      "lib/vagrant/commands/package.rb",
+     "lib/vagrant/commands/provision.rb",
      "lib/vagrant/commands/reload.rb",
      "lib/vagrant/commands/resume.rb",
      "lib/vagrant/commands/ssh.rb",
@@ -146,6 +147,7 @@ Gem::Specification.new do |s|
      "test/vagrant/commands/halt_test.rb",
      "test/vagrant/commands/init_test.rb",
      "test/vagrant/commands/package_test.rb",
+     "test/vagrant/commands/provision_test.rb",
      "test/vagrant/commands/reload_test.rb",
      "test/vagrant/commands/resume_test.rb",
      "test/vagrant/commands/ssh_config_test.rb",
@@ -231,6 +233,7 @@ Gem::Specification.new do |s|
      "test/vagrant/commands/box/add_test.rb",
      "test/vagrant/commands/box/list_test.rb",
      "test/vagrant/commands/up_test.rb",
+     "test/vagrant/commands/provision_test.rb",
      "test/vagrant/commands/resume_test.rb",
      "test/vagrant/commands/ssh_test.rb",
      "test/vagrant/resource_logger_test.rb",