diff --git a/lib/yelp/burst_struct.rb b/lib/yelp/burst_struct.rb
index 25b7c64..51bc131 100644
--- a/lib/yelp/burst_struct.rb
+++ b/lib/yelp/burst_struct.rb
@@ -15,7 +15,7 @@ def method_missing(method_name, *arguments, &block)
     end
 
     def respond_to?(method_name, include_private = false)
-      @hash.keys.include?(method_name) || super
+      has_key?(method_name) || super
     end
 
     def self.convert_array(array)
@@ -35,6 +35,10 @@ def to_json(options = {})
       JSON.generate(@hash)
     end
 
+    def has_key?(method_name)
+      !find_key(method_name).nil?
+    end
+
     private
 
     def return_or_build_struct(method_name)
diff --git a/lib/yelp/version.rb b/lib/yelp/version.rb
index f2ee016..534d8d7 100644
--- a/lib/yelp/version.rb
+++ b/lib/yelp/version.rb
@@ -1,3 +1,3 @@
 module Yelp
-  VERSION = "2.0.1"
+  VERSION = "2.0.2"
 end
diff --git a/spec/yelp/burst_struct_spec.rb b/spec/yelp/burst_struct_spec.rb
index b902b1a..677ea1e 100644
--- a/spec/yelp/burst_struct_spec.rb
+++ b/spec/yelp/burst_struct_spec.rb
@@ -8,12 +8,20 @@
       it 'should return' do
         expect(struct.foo).to eql 'bar'
       end
+
+      it { should have_key(:foo) }
+      it { should have_key('foo') }
+
+      it { should respond_to(:foo) }
     end
 
     context 'when a key does not exist' do
       it 'should not respond to it' do
         expect(struct.respond_to? :super_foo).to eql false
       end
+
+      it { should_not have_key(:super_foo) }
+      it { should_not have_key('super_foo') }
     end
   end
 
@@ -121,4 +129,19 @@
       expect(struct.to_json).to eql hash.to_json
     end
   end
+
+  context 'struct with string keys' do
+    subject(:struct) { BurstStruct::Burst.new('foo' => 'bar') }
+
+    context 'when a key exists' do
+      it 'should return' do
+        expect(struct.foo).to eql 'bar'
+      end
+
+      it { should have_key(:foo) }
+      it { should have_key('foo') }
+
+      it { should respond_to(:foo) }
+    end
+  end
 end