diff --git a/lib/evss/gi_bill_status/gi_bill_status_response.rb b/lib/evss/gi_bill_status/gi_bill_status_response.rb
index 4033b64422d..32d3a9dc75a 100644
--- a/lib/evss/gi_bill_status/gi_bill_status_response.rb
+++ b/lib/evss/gi_bill_status/gi_bill_status_response.rb
@@ -126,6 +126,10 @@ def error_type
         'unknown'
       end
 
+      def body
+        @response.body
+      end
+
       private
 
       def timeout?
diff --git a/spec/controllers/v0/post911_gi_bill_statuses_controller_spec.rb b/spec/controllers/v0/post911_gi_bill_statuses_controller_spec.rb
index a8b67d8c2ff..3080634d30d 100644
--- a/spec/controllers/v0/post911_gi_bill_statuses_controller_spec.rb
+++ b/spec/controllers/v0/post911_gi_bill_statuses_controller_spec.rb
@@ -136,11 +136,16 @@
       end
 
       it 'raises an InternalServerError including an exception with a detailed message' do
-        expect_block = expect do
+        response = instance_double(EVSS::GiBillStatus::GiBillStatusResponse)
+        allow(response).to receive(:error_type).and_return('unknown')
+        allow(response).to receive(:status).and_return(500)
+        allow(response).to receive(:body).and_return('Unknown error')
+
+        expectation = expect do
           controller.send(:render_error_json, response)
         end
 
-        expect_block.to raise_error(Common::Exceptions::InternalServerError) do |error|
+        expectation.to raise_error(Common::Exceptions::InternalServerError) do |error|
           expected_msg = 'An unknown error occurred. Response error type: unknown, status: 500, body: Unknown error'
           expect(error.exception.message).to eq(expected_msg)
         end