diff --git a/plugins/commands/box/command/repackage.rb b/plugins/commands/box/command/repackage.rb
index 103c0da92..fa986119a 100644
--- a/plugins/commands/box/command/repackage.rb
+++ b/plugins/commands/box/command/repackage.rb
@@ -14,7 +14,7 @@ module VagrantPlugins
           # Parse the options
           argv = parse_options(opts)
           return if !argv
-          raise Vagrant::Errors::CLIInvalidUsage, :help => opts.help.chomp if argv.length < 2
+          raise Vagrant::Errors::CLIInvalidUsage, :help => opts.help.chomp if argv.length != 2
 
           box_name     = argv[0]
           box_provider = argv[1].to_sym
diff --git a/test/unit/plugins/commands/box/command/repackage_test.rb b/test/unit/plugins/commands/box/command/repackage_test.rb
new file mode 100644
index 000000000..fd27c78a1
--- /dev/null
+++ b/test/unit/plugins/commands/box/command/repackage_test.rb
@@ -0,0 +1,54 @@
+require File.expand_path("../../../../../base", __FILE__)
+
+require Vagrant.source_root.join("plugins/commands/box/command/repackage")
+
+describe VagrantPlugins::CommandBox::Command::Repackage do
+  include_context "unit"
+
+  let(:argv)     { [] }
+  let(:iso_env) do
+    # We have to create a Vagrantfile so there is a root path
+    env = isolated_environment
+    env.vagrantfile("")
+    env.create_vagrant_env
+  end
+
+  subject { described_class.new(argv, iso_env) }
+
+  let(:action_runner) { double("action_runner") }
+
+  before do
+    iso_env.stub(action_runner: action_runner)
+  end
+
+  context "with no arguments" do
+    it "shows help" do
+      expect { subject.execute }.
+        to raise_error(Vagrant::Errors::CLIInvalidUsage)
+    end
+  end
+
+  context "with one argument" do
+    let(:argv) { ["one"] }
+
+    it "shows help" do
+      expect { subject.execute }.
+        to raise_error(Vagrant::Errors::CLIInvalidUsage)
+    end
+  end
+
+  context "with two arguments" do
+    it "repackages the box with the given provider" do
+      pending
+    end
+  end
+
+  context "with more than two arguments" do
+    let(:argv) { ["one", "two", "three"] }
+
+    it "shows help" do
+      expect { subject.execute }.
+        to raise_error(Vagrant::Errors::CLIInvalidUsage)
+    end
+  end
+end