diff --git a/app/config.json b/app/config.json
index ff568bc..77f27d4 100644
--- a/app/config.json
+++ b/app/config.json
@@ -1,6 +1,7 @@
 {
 	"saveIntervalSec": 60,
 	"feedCheckIntervalSec": 30,
+	"maxCacheSize": 10,
 	"commands": {
 		"version": "version",
 		"addFeed": "add-feed"
diff --git a/app/index.js b/app/index.js
index 0c62d60..a628344 100644
--- a/app/index.js
+++ b/app/index.js
@@ -53,7 +53,7 @@ const HandleMessage = {
 					message.reply("v" + require("../package.json").version);
 					break;
 				case config.commands.addFeed:
-					addFeed(client, guildsData, message);
+					addFeed(client, guildsData, message, config.maxCacheSize);
 					break;
 			}
 		}
@@ -66,7 +66,7 @@ const HandleMessage = {
 	}
 };
 
-function addFeed(client, guildsData, message) {
+function addFeed(client, guildsData, message, maxCacheSize) {
 	const parameters = message.content.split(" "); //expect !addfeed <url> <channelName> <roleName>
 
 	const feedUrl = [...GetUrls(message.content)][0];
@@ -80,7 +80,8 @@ function addFeed(client, guildsData, message) {
 	const feedData = new FeedData({
 		url: feedUrl,
 		channelName: channel.name,
-		roleName: role ? role.name : null
+		roleName: role ? role.name : null,
+		maxCacheSize: maxCacheSize
 	});
 
 	//ask the user if they're happy with the details they set up, save if yes, don't if no
diff --git a/app/models/feed-data.js b/app/models/feed-data.js
index d39ce45..8f9198e 100644
--- a/app/models/feed-data.js
+++ b/app/models/feed-data.js
@@ -8,17 +8,21 @@ const FeedRead = require("feed-read"); //for extracing new links from RSS feeds
 const GetUrls = require("get-urls"); //for extracting urls from messages
 
 module.exports = class FeedData {
-	constructor({ url, channelName, roleName, cachedLinks }) {
+	constructor({ url, channelName, roleName, cachedLinks, maxCacheSize }) {
 		this.url = url;
 		this.channelName = channelName;
 		this.roleName = roleName;
 		this.cachedLinks = cachedLinks || [];
+		this.maxCacheSize = maxCacheSize || 10;
 
 		this.cachedLinks.push = (...elements) => {
 			const unique = elements
 				.map(el => normaliseUrl(el)) //normalise all the urls
 				.filter(el => !this.cachedLinks.includes(el)); //filter out any already cached
-			Array.prototype.push.apply(this.cachedLinks, unique); 
+			Array.prototype.push.apply(this.cachedLinks, unique);
+
+			if(this.cachedLinks.length > this.maxCacheSize)
+				this.cachedLinks.splice(0, this.cachedLinks.length - this.maxCacheSize); //remove the # of elements above the max from the beginning
 		};
 	}