diff --git a/lib/wrapper.js b/lib/wrapper.js
index d9f56c8..4438783 100644
--- a/lib/wrapper.js
+++ b/lib/wrapper.js
@@ -96,7 +96,7 @@ class RequestWrapper {
       throw new SuiteRequestError(
         'Error in http response (status: ' + response.statusCode + ')',
         response.statusCode,
-        response.body
+        this._parseBody(response)
       );
     }
 
@@ -105,13 +105,19 @@ class RequestWrapper {
       throw new SuiteRequestError('Empty http response', 500, response.statusMessage);
     }
 
-    if (this._isJsonResponse(response)) {
-      try {
-        response.body = JSON.parse(response.body);
-      } catch (ex) {
-        logger.error('fatal_error', ex, this._getLogParameters());
-        throw new SuiteRequestError(ex.message, 500);
-      }
+    response.body = this._parseBody(response);
+  }
+
+  _parseBody(response) {
+    if (!this._isJsonResponse(response)) {
+      return response.body;
+    }
+
+    try {
+      return JSON.parse(response.body);
+    } catch (ex) {
+      logger.error('fatal_error', ex, this._getLogParameters());
+      throw new SuiteRequestError(ex.message, 500);
     }
   }
 }
diff --git a/lib/wrapper.spec.js b/lib/wrapper.spec.js
index a3c7a32..495dc4b 100644
--- a/lib/wrapper.spec.js
+++ b/lib/wrapper.spec.js
@@ -70,6 +70,7 @@ describe('Wrapper', function() {
         expect(err).to.be.an.instanceof(SuiteRequestError);
         expect(err.message).to.eql('Error in http response (status: 400)');
         expect(err.code).to.eql(400);
+        expect(err.data).to.eql({ replyText: 'Unknown route' });
         expect(requestGetStub).to.be.calledWith(expectedRequestOptions);
       }
     });
@@ -135,6 +136,22 @@ describe('Wrapper', function() {
         }
         throw new Error('Error should have been thrown');
       });
+
+      it('should throw a http response error even if the response body is empty', function *() {
+        apiResponse.body = '404 Not Found';
+        apiResponse.statusCode = 404;
+        apiResponse.headers = { 'content-type': 'text/plain' };
+
+        try {
+          yield wrapper.send();
+          throw new Error('should throw');
+        } catch (err) {
+          expect(err).to.be.an.instanceOf(SuiteRequestError);
+          expect(err.code).to.eql(apiResponse.statusCode);
+          expect(err.message).to.eql('Error in http response (status: 404)');
+          expect(err.data).to.eql(apiResponse.body);
+        }
+      });
     });