diff --git a/lib/vagrant/util/file_checksum.rb b/lib/vagrant/util/file_checksum.rb
index e5e7cf715..2b195a7b0 100644
--- a/lib/vagrant/util/file_checksum.rb
+++ b/lib/vagrant/util/file_checksum.rb
@@ -2,6 +2,9 @@
 # passed into FileChecksum. Note that this isn't strictly enforced at
 # the moment, and this class isn't directly used. It is merely here for
 # documentation of structure of the class.
+
+require "vagrant/errors"
+
 class DigestClass
   def update(string); end
   def hexdigest; end
@@ -62,7 +65,7 @@ class FileChecksum
   def load_digest(type)
     digest = CHECKSUM_MAP[type.to_s.to_sym]
     if digest.nil?
-      raise Errors::BoxChecksumInvalidType,
+      raise Vagrant::Errors::BoxChecksumInvalidType,
         type: type.to_s
     end
     digest
diff --git a/test/unit/vagrant/util/file_checksum_test.rb b/test/unit/vagrant/util/file_checksum_test.rb
index c467238d4..43fe40661 100644
--- a/test/unit/vagrant/util/file_checksum_test.rb
+++ b/test/unit/vagrant/util/file_checksum_test.rb
@@ -32,4 +32,15 @@ describe FileChecksum do
       expect(t_i.checksum).to eq(k_i.checksum)
     end
   end
+
+  context "with an invalid digest" do
+    let(:fake_digest) { :fake_digest }
+
+    it "should raise an exception if the box has an invalid checksum type" do
+      file = environment.workdir.join("file")
+      file.open("w+") { |f| f.write("HELLO!") }
+
+      expect{ described_class.new(file, fake_digest) }.to raise_error(Vagrant::Errors::BoxChecksumInvalidType)
+    end
+  end
 end