diff --git a/inject.js b/inject.js
index 79f4e583..b0917a0e 100644
--- a/inject.js
+++ b/inject.js
@@ -13,12 +13,8 @@ var tc = {
     startHidden: false, // default: false
     controllerOpacity: 0.3, // default: 0.3
     keyBindings: [],
-    blacklist: `\
-      www.instagram.com
-      twitter.com
-      vine.co
-      imgur.com
-      teams.microsoft.com
+    allowList: `\
+      youtube.com
     `.replace(regStrip, ""),
     defaultLogLevel: 4,
     logLevel: 3
@@ -116,7 +112,7 @@ chrome.storage.sync.get(tc.settings, function (storage) {
       startHidden: tc.settings.startHidden,
       enabled: tc.settings.enabled,
       controllerOpacity: tc.settings.controllerOpacity,
-      blacklist: tc.settings.blacklist.replace(regStrip, "")
+      allowList: tc.settings.allowList.replace(regStrip, "")
     });
   }
   tc.settings.lastSpeed = Number(storage.lastSpeed);
@@ -127,7 +123,7 @@ chrome.storage.sync.get(tc.settings, function (storage) {
   tc.settings.enabled = Boolean(storage.enabled);
   tc.settings.startHidden = Boolean(storage.startHidden);
   tc.settings.controllerOpacity = Number(storage.controllerOpacity);
-  tc.settings.blacklist = String(storage.blacklist);
+  tc.settings.allowList = String(storage.allowList);
 
   // ensure that there is a "display" binding (for upgrades from versions that had it as a separate binding)
   if (
@@ -377,9 +373,9 @@ function escapeStringRegExp(str) {
   return str.replace(matchOperatorsRe, "\\$&");
 }
 
-function isBlacklisted() {
-  blacklisted = false;
-  tc.settings.blacklist.split("\n").forEach((match) => {
+function isAllowListed() {
+  allowListed = false;
+  tc.settings.allowList.split("\n").forEach((match) => {
     match = match.replace(regStrip, "");
     if (match.length == 0) {
       return;
@@ -396,11 +392,11 @@ function isBlacklisted() {
     }
 
     if (regexp.test(location.href)) {
-      blacklisted = true;
+      allowListed = true;
       return;
     }
   });
-  return blacklisted;
+  return allowListed;
 }
 
 var coolDown = false;
@@ -478,7 +474,7 @@ function setupListener() {
 
 function initializeWhenReady(document) {
   log("Begin initializeWhenReady", 5);
-  if (isBlacklisted()) {
+  if (!isAllowListed()) {
     return;
   }
   window.addEventListener('load', () => {
diff --git a/options.html b/options.html
index 242c326f..efeb2620 100644
--- a/options.html
+++ b/options.html
@@ -161,8 +161,8 @@ <h3>Other</h3>
         <input id="controllerOpacity" type="text" value="" />
       </div>
       <div class="row">
-        <label for="blacklist"
-          >Sites on which extension is disabled<br />
+        <label for="allowList"
+          >Sites on which extension is enabled<br />
           (one per line)<br />
           <br />
           <em>
@@ -171,7 +171,7 @@ <h3>Other</h3>
             ie: /(.+)youtube\.com(\/*)$/gi
           </em>
         </label>
-        <textarea id="blacklist" rows="10" cols="50"></textarea>
+        <textarea id="allowList" rows="10" cols="50"></textarea>
       </div>
     </section>
 
diff --git a/options.js b/options.js
index e1b8b95f..8b62620e 100644
--- a/options.js
+++ b/options.js
@@ -18,10 +18,7 @@ var tcDefaults = {
     { action: "reset", key: 82, value: 1, force: false, predefined: true }, // R
     { action: "fast", key: 71, value: 1.8, force: false, predefined: true } // G
   ],
-  blacklist: `www.instagram.com
-    twitter.com
-    imgur.com
-    teams.microsoft.com
+  allowList: `youtube.com
   `.replace(regStrip, "")
 };
 
@@ -184,7 +181,7 @@ function validate() {
   var valid = true;
   var status = document.getElementById("status");
   document
-    .getElementById("blacklist")
+    .getElementById("allowList")
     .value.split("\n")
     .forEach((match) => {
       match = match.replace(regStrip, "");
@@ -193,7 +190,7 @@ function validate() {
           var regexp = new RegExp(match);
         } catch (err) {
           status.textContent =
-            "Error: Invalid blacklist regex: " + match + ". Unable to save";
+            "Error: Invalid allowList regex: " + match + ". Unable to save";
           valid = false;
           return;
         }
@@ -218,7 +215,7 @@ function save_options() {
   var enabled = document.getElementById("enabled").checked;
   var startHidden = document.getElementById("startHidden").checked;
   var controllerOpacity = document.getElementById("controllerOpacity").value;
-  var blacklist = document.getElementById("blacklist").value;
+  var allowList = document.getElementById("allowList").value;
 
   chrome.storage.sync.remove([
     "resetSpeed",
@@ -242,7 +239,7 @@ function save_options() {
       startHidden: startHidden,
       controllerOpacity: controllerOpacity,
       keyBindings: keyBindings,
-      blacklist: blacklist.replace(regStrip, "")
+      allowList: allowList.replace(regStrip, "")
     },
     function () {
       // Update status to let user know options were saved.
@@ -265,7 +262,7 @@ function restore_options() {
     document.getElementById("startHidden").checked = storage.startHidden;
     document.getElementById("controllerOpacity").value =
       storage.controllerOpacity;
-    document.getElementById("blacklist").value = storage.blacklist;
+    document.getElementById("allowList").value = storage.allowList;
 
     // ensure that there is a "display" binding for upgrades from versions that had it as a separate binding
     if (storage.keyBindings.filter((x) => x.action == "display").length == 0) {