diff --git a/browser/base/content/browser-pageActions.js b/browser/base/content/browser-pageActions.js
index 985ece77096a..135b3ff79deb 100644
--- a/browser/base/content/browser-pageActions.js
+++ b/browser/base/content/browser-pageActions.js
@@ -872,8 +872,8 @@ var BrowserPageActionFeedback = {
     return this.feedbackLabel = document.getElementById("pageActionFeedbackMessage");
   },
 
-  show(action, event) {
-    this.feedbackLabel.textContent = this.panelNode.getAttribute(action.id + "Feedback");
+  show(action, event, textContentOverride) {
+    this.feedbackLabel.textContent = this.panelNode.getAttribute((textContentOverride || action.id) + "Feedback");
     this.panelNode.hidden = false;
 
     let anchor = BrowserPageActions.panelAnchorNodeForAction(action, event);
@@ -994,7 +994,8 @@ BrowserPageActions.sendToDevice = {
         // in", "Learn about Sync", etc.  Device items will be .sendtab-target.
         if (event.target.classList.contains("sendtab-target")) {
           let action = PageActions.actionForID("sendToDevice");
-          BrowserPageActionFeedback.show(action, event);
+          let textOverride = gSync.offline && "sendToDeviceOffline";
+          BrowserPageActionFeedback.show(action, event, textOverride);
         }
       });
       return item;
diff --git a/browser/base/content/browser-sync.js b/browser/base/content/browser-sync.js
index 83f406a77772..1e2001b82566 100644
--- a/browser/base/content/browser-sync.js
+++ b/browser/base/content/browser-sync.js
@@ -65,6 +65,10 @@ var gSync = {
            .sort((a, b) => a.name.localeCompare(b.name));
   },
 
+  get offline() {
+    return Weave.Service.scheduler.offline;
+  },
+
   _generateNodeGetters() {
     for (let k of ["Status", "Avatar", "Label", "Container"]) {
       let prop = "appMenu" + k;
diff --git a/browser/base/content/browser.xul b/browser/base/content/browser.xul
index 596c34e4ad7e..9fadff7a01f0 100644
--- a/browser/base/content/browser.xul
+++ b/browser/base/content/browser.xul
@@ -436,7 +436,8 @@
            tabspecific="true"
            noautofocus="true"
            copyURLFeedback="&copyURLFeedback.label;"
-           sendToDeviceFeedback="&sendToDeviceFeedback.label;">
+           sendToDeviceFeedback="&sendToDeviceFeedback.label;"
+           sendToDeviceOfflineFeedback="&sendToDeviceOfflineFeedback.label;">
       <hbox id="pageActionFeedbackAnimatableBox">
         <image id="pageActionFeedbackAnimatableImage"/>
       </hbox>
diff --git a/browser/locales/en-US/chrome/browser/browser.dtd b/browser/locales/en-US/chrome/browser/browser.dtd
index a727199b00cb..18b97175b288 100644
--- a/browser/locales/en-US/chrome/browser/browser.dtd
+++ b/browser/locales/en-US/chrome/browser/browser.dtd
@@ -51,6 +51,7 @@ can reach it easily. -->
 <!ENTITY  sendLinkToDevice.label             "Send Link to Device">
 <!ENTITY  sendLinkToDevice.accesskey         "n">
 <!ENTITY  sendToDeviceFeedback.label         "Sent!">
+<!ENTITY  sendToDeviceOfflineFeedback.label  "Queued (offline)">
 <!ENTITY  moveToNewWindow.label              "Move to New Window">
 <!ENTITY  moveToNewWindow.accesskey          "W">
 <!ENTITY  bookmarkAllTabs.label              "Bookmark All Tabs…">