diff --git a/src/main/javascript/view/OperationView.js b/src/main/javascript/view/OperationView.js
index 6d673974..214bfa1f 100644
--- a/src/main/javascript/view/OperationView.js
+++ b/src/main/javascript/view/OperationView.js
@@ -549,6 +549,7 @@ SwaggerUi.Views.OperationView = Backbone.View.extend({
       url = response.request.url;
     }
     var headers = response.headers;
+    content = content.trim();
 
     // if server is nice, and sends content-type back, we can use it
     var contentType = null;