diff --git a/index.js b/index.js
index 290a4e5..84a7ea4 100755
--- a/index.js
+++ b/index.js
@@ -71,14 +71,14 @@ app.post('/', function(req, res) {
 	if (!html) {
 		res.status(400).send("Please provide a POST parameter called html");
 	} else {	  	
-		//try {
+		try {
 			let document = new JSDOM(html);
 			let markdown = processor.process_dom(url, document, res, inline_title, ignore_links);
 			send_headers(res);
 			res.send(markdown);
-		 //} catch (error) {
-		 //res.status(400).send("Could not parse that document");
-		//}
+		 } catch (error) {
+		 res.status(400).send("Could not parse that document");
+		}
 	}
 
 });
diff --git a/url_to_markdown_readers.js b/url_to_markdown_readers.js
index 80247a2..b06f0e4 100755
--- a/url_to_markdown_readers.js
+++ b/url_to_markdown_readers.js
@@ -13,8 +13,8 @@ class html_reader {
 		JSDOM.fromURL(url).then((document)=>{
 			let markdown = processor.process_dom(url, document, res, inline_title, ignore_links);
 			res.send(markdown);
-		//}).catch((error)=> {
-		//	res.status(400).send(failure_message);
+		}).catch((error)=> {
+			res.status(400).send(failure_message);
 		});
 	}
 }
@@ -47,8 +47,8 @@ class stack_reader {
 			else {
 				res.send(markdown_q + "\n\n## Answer\n"+ markdown_a);
 			}
-		//}).catch((error)=> {
-		//	res.status(400).send(failure_message);
+		}).catch((error)=> {
+			res.status(400).send(failure_message);
 		});
 	}
 }