--- a/browser/components/extensions/ext-devtools.js
+++ b/browser/components/extensions/ext-devtools.js
@@ -35,16 +35,17 @@ let initDevTools;
  *   A devtools extension proxy context.
  *
  * @returns {Promise<TabTarget>}
  *   The cloned devtools target associated to the context.
  */
 global.getDevToolsTargetForContext = (context) => {
   return Task.spawn(function* asyncGetTabTarget() {
     if (context.devToolsTarget) {
+      yield context.devToolsTarget.makeRemote();
       return context.devToolsTarget;
     }
 
     if (!context.devToolsToolbox || !context.devToolsToolbox.target) {
       throw new Error("Unable to get a TabTarget for a context not associated to any toolbox");
     }
 
     if (!context.devToolsToolbox.target.isLocalTab) {