diff --git a/lib/vagrant/util/experimental.rb b/lib/vagrant/util/experimental.rb
index 667e3f8a7..46c3b9c86 100644
--- a/lib/vagrant/util/experimental.rb
+++ b/lib/vagrant/util/experimental.rb
@@ -26,6 +26,8 @@ module Vagrant
         # @return [Boolean] - A hash containing the original array and if it is valid
         def feature_enabled?(feature)
           experimental = features_requested
+          feature = feature.to_s
+
           if experimental.size == 1 && experimental.first == "1"
             return true
           elsif VALID_FEATURES.include?(feature) &&
diff --git a/test/unit/vagrant/util/experimental_test.rb b/test/unit/vagrant/util/experimental_test.rb
index 6d1f351b0..5a0f17ad4 100644
--- a/test/unit/vagrant/util/experimental_test.rb
+++ b/test/unit/vagrant/util/experimental_test.rb
@@ -44,6 +44,11 @@ describe Vagrant::Util::Experimental do
       expect(subject.feature_enabled?("secret_feature")).to eq(true)
     end
 
+    it "returns true if flag contains feature requested and the request is a symbol" do
+      allow(ENV).to receive(:[]).with("VAGRANT_EXPERIMENTAL").and_return("secret_feature")
+      expect(subject.feature_enabled?(:secret_feature)).to eq(true)
+    end
+
     it "returns true if flag contains feature requested with other features 'enabled'" do
       allow(ENV).to receive(:[]).with("VAGRANT_EXPERIMENTAL").and_return("secret_feature,other_secret")
       expect(subject.feature_enabled?("secret_feature")).to eq(true)