diff --git a/ext/bg/js/ankiconnect.js b/ext/bg/js/ankiconnect.js
index d17f3268..f6f94329 100644
--- a/ext/bg/js/ankiconnect.js
+++ b/ext/bg/js/ankiconnect.js
@@ -17,7 +17,8 @@
  */
 
 class AnkiConnect {
-    constructor() {
+    constructor(server) {
+        this.server = server;
         this.asyncPools = {};
         this.localVersion = 1;
         this.remoteVersion = null;
@@ -50,8 +51,8 @@ class AnkiConnect {
 
         return this.ankiInvoke('version', {}, null).then(version => {
             this.remoteVersion = version;
-            if (this.remoteVersion !== this.localVersion) {
-                return Promise.reject('extension and plugin version mismatch');
+            if (this.remoteVersion < this.localVersion) {
+                return Promise.reject('extension and plugin versions incompatible');
             }
         });
     }
@@ -75,7 +76,7 @@ class AnkiConnect {
                 }
             });
 
-            xhr.open('POST', 'http://127.0.0.1:8765');
+            xhr.open('POST', this.server);
             xhr.send(JSON.stringify({action, params}));
         });
     }
diff --git a/ext/bg/js/options-form.js b/ext/bg/js/options-form.js
index ed2826b4..00b6a63e 100644
--- a/ext/bg/js/options-form.js
+++ b/ext/bg/js/options-form.js
@@ -44,6 +44,7 @@ function getFormData() {
         optionsNew.anki.tags = $('#card-tags').val().split(/[,; ]+/);
         optionsNew.anki.htmlCards = $('#generate-html-cards').prop('checked');
         optionsNew.anki.sentenceExt = parseInt($('#sentence-detection-extent').val(), 10);
+        optionsNew.anki.server = $('#interface-server').val();
         if (optionsOld.anki.enable) {
             optionsNew.anki.terms.deck = $('#anki-terms-deck').val();
             optionsNew.anki.terms.model = $('#anki-terms-model').val();
@@ -106,6 +107,7 @@ $(document).ready(() => {
         $('#card-tags').val(options.anki.tags.join(' '));
         $('#generate-html-cards').prop('checked', options.anki.htmlCards);
         $('#sentence-detection-extent').val(options.anki.sentenceExt);
+        $('#interface-server').val(options.anki.server);
         $('input, select').not('.anki-model').change(onOptionsChanged);
         $('.anki-model').change(onAnkiModelChanged);
 
@@ -399,7 +401,7 @@ function onOptionsChanged(e) {
         return optionsSave(optionsNew).then(() => {
             yomichan().setOptions(optionsNew);
             updateVisibility(optionsNew);
-            if (optionsNew.anki.enable !== optionsOld.anki.enable) {
+            if (optionsNew.anki.enable !== optionsOld.anki.enable || optionsNew.anki.server !== optionsOld.anki.server) {
                 showAnkiError(null);
                 showAnkiSpinner(true);
                 return populateAnkiDeckAndModel(optionsNew);
diff --git a/ext/bg/js/options.js b/ext/bg/js/options.js
index 863e8916..a4e39e41 100644
--- a/ext/bg/js/options.js
+++ b/ext/bg/js/options.js
@@ -39,6 +39,7 @@ function optionsSetDefaults(options) {
 
         anki: {
             enable: false,
+            server: 'http://127.0.0.1:8765',
             tags: ['yomichan'],
             htmlCards: true,
             sentenceExt: 200,
@@ -67,14 +68,14 @@ function optionsSetDefaults(options) {
 
 
 function optionsVersion(options) {
-    const copy = (targetDict, targetKey, sourceDict, sourceKey) => {
-        targetDict[targetKey] = sourceDict.hasOwnProperty(sourceKey) ? sourceDict[sourceKey] : targetDict[targetKey];
-    };
-
+    optionsSetDefaults(options);
     options.version = options.version || 0;
+
     const fixups = [
         () => {
-            optionsSetDefaults(options);
+            const copy = (targetDict, targetKey, sourceDict, sourceKey) => {
+                targetDict[targetKey] = sourceDict.hasOwnProperty(sourceKey) ? sourceDict[sourceKey] : targetDict[targetKey];
+            };
 
             copy(options.general, 'autoStart', options, 'activateOnStartup');
             copy(options.general, 'audioPlayback', options, 'enableAudioPlayback');
diff --git a/ext/bg/js/yomichan.js b/ext/bg/js/yomichan.js
index d97dc586..80a67588 100644
--- a/ext/bg/js/yomichan.js
+++ b/ext/bg/js/yomichan.js
@@ -71,7 +71,7 @@ class Yomichan {
         this.options = options;
 
         if (options.anki.enable) {
-            this.anki = new AnkiConnect();
+            this.anki = new AnkiConnect(this.options.anki.server);
         } else {
             this.anki = new AnkiNull();
         }
diff --git a/ext/bg/options.html b/ext/bg/options.html
index 145f97fd..d9d23c6a 100644
--- a/ext/bg/options.html
+++ b/ext/bg/options.html
@@ -161,6 +161,11 @@
                         <input type="number" min="1" id="sentence-detection-extent" class="form-control">
                     </div>
 
+                    <div class="form-group options-advanced">
+                        <label for="interface-server">Interface server</label>
+                        <input type="text" id="interface-server" class="form-control">
+                    </div>
+
                     <div id="anki-format">
                         <ul class="nav nav-tabs">
                             <li class="active"><a href="#terms" data-toggle="tab">Terms</a></li>
diff --git a/ext/manifest.json b/ext/manifest.json
index 2b2a4617..31b2c8c4 100644
--- a/ext/manifest.json
+++ b/ext/manifest.json
@@ -1,7 +1,7 @@
 {
     "manifest_version": 2,
     "name": "Yomichan",
-    "version": "1.0.7",
+    "version": "1.0.8",
 
     "description": "Japanese dictionary with Anki integration",
     "icons": {"16": "img/icon16.png", "48": "img/icon48.png", "128": "img/icon128.png"},