diff --git a/source/app.d b/source/app.d
index 7da95de..7b91113 100644
--- a/source/app.d
+++ b/source/app.d
@@ -65,6 +65,7 @@
 			},
 			(RSSFeed[] fl) {
 
+				// n. threads == n. feeds
 				setupWorkerThreads(fl.length.to!uint);
 
 				// start tasks in charge of updating feeds
diff --git a/source/cartastraccia/actor.d b/source/cartastraccia/actor.d
index d07f03a..4a06824 100644
--- a/source/cartastraccia/actor.d
+++ b/source/cartastraccia/actor.d
@@ -33,7 +33,6 @@
 	RSS rss;
 	URL url = URL(path);
 
-
 	requestHTTP(url,
 			(scope HTTPClientRequest req) {
 				req.method = HTTPMethod.GET;
@@ -82,8 +81,13 @@
 				while(true) {
 
 					// receive the webserver task
-					auto webTask = receiveOnly!Task;
-					webTask.send(FeedActorResponse.VALID);
+					Task webTask = receiveOnly!Task;
+
+					if(webTask.running)	webTask.send(FeedActorResponse.VALID);
+					else {
+						logWarn("Web task is not running");
+						return;
+					}
 
 					// receive the actual request
 					receive(
diff --git a/source/cartastraccia/endpoint.d b/source/cartastraccia/endpoint.d
index 296cf64..904e604 100644
--- a/source/cartastraccia/endpoint.d
+++ b/source/cartastraccia/endpoint.d
@@ -57,6 +57,7 @@
 							// send data request
 							tasks[f.name].send(FeedActorRequest.DATA_HTML);
 
+							// add valid feed to list
 							validFeeds ~= f;
 						});
 					feedList = validFeeds;
diff --git a/source/cartastraccia/renderer.d b/source/cartastraccia/renderer.d
index d15b243..76fee47 100644
--- a/source/cartastraccia/renderer.d
+++ b/source/cartastraccia/renderer.d
@@ -36,7 +36,7 @@
 	auto output = appender!string;
 	doc.root.outerHTML(output);
 
-	auto fpath = NativePath(pageName);
+	immutable fpath = NativePath(pageName);
 	if(existsFile(fpath)) removeFile(fpath);
 	appendToFile(fpath, output.data);
 }