diff --git a/src/containers.js b/src/containers.js
index 3fc7475..f1e60ac 100644
--- a/src/containers.js
+++ b/src/containers.js
@@ -68,6 +68,19 @@ async function handle(url, tabId) {
     delete creatingTabs[tabId];
   }
   let preferences = await PreferenceStorage.getAll(true);
+  let OPEN_IN_CURRENT_CONTAINER_RAW = preferences.openInCurrentContainer;
+  //console.debug('Raw configuration variable --> ', OPEN_IN_CURRENT_CONTAINER_RAW);
+  if (typeof OPEN_IN_CURRENT_CONTAINER_RAW !== 'undefined') {
+    const OPEN_IN_CURRENT_CONTAINER = '(' + preferences.openInCurrentContainer.replace(/ /g, '') + ')/';
+    //console.debug('Formatted configuration variable --> ', OPEN_IN_CURRENT_CONTAINER);
+    if (OPEN_IN_CURRENT_CONTAINER !== '') {
+      let OPEN_IN_CURRENT_CONTAINER_REGEX = new RegExp(OPEN_IN_CURRENT_CONTAINER);
+      if (OPEN_IN_CURRENT_CONTAINER_REGEX.test(url)) {
+        //console.debug('URL was left in current container due to Regex--> ', url);
+        return;
+      }
+    }
+  }
   let [hostMap, identities, currentTab] = await Promise.all([
     Storage.get(url, preferences.matchDomainOnly),
     ContextualIdentity.getAll(),
diff --git a/src/ui-preferences/preferences.json b/src/ui-preferences/preferences.json
index 3f92f07..8901e79 100644
--- a/src/ui-preferences/preferences.json
+++ b/src/ui-preferences/preferences.json
@@ -11,6 +11,13 @@
     "label": "Keep old tabs",
     "description": "After a contained tab has been created, the old won't be closed"
   },
+  { 
+    "type": "string",
+    "name": "openInCurrentContainer",
+    "label": "Open in current container",
+    "description": "A list of domains separated by a pipe (|) which will *always* open in the current container that opened them",
+    "defaultValue": ""
+  },
   {
     "type": "group",
     "name": "defaultContainer",