diff --git a/browser/base/content/test/social/browser_social_perwindowPB.js b/browser/base/content/test/social/browser_social_perwindowPB.js
index e12d64197afc..7def78f21b27 100644
--- a/browser/base/content/test/social/browser_social_perwindowPB.js
+++ b/browser/base/content/test/social/browser_social_perwindowPB.js
@@ -38,7 +38,9 @@ function test() {
     name: "provider 1",
     origin: "https://example.com",
     sidebarURL: "https://example.com/browser/browser/base/content/test/social/social_sidebar.html",
+    statusURL: "https://example.com/browser/browser/base/content/test/social/social_panel.html",
     workerURL: "https://example.com/browser/browser/base/content/test/social/social_worker.js",
+    markURL: "https://example.com/browser/browser/base/content/test/social/social_mark.html?url=%{url}",
     iconURL: "https://example.com/browser/browser/base/content/test/general/moz.png"
   };
   runSocialTestWithProvider(manifest, function (finishcb) {
@@ -68,10 +70,26 @@ var tests = {
           info("checking private window ui");
           ok(!pbwin.SocialUI.enabled, "social is disabled in a PB window");
           checkSocialUI(pbwin);
+
           // but they should all remain enabled in the initial window
           info("checking main window ui");
           ok(window.SocialUI.enabled, "social is still enabled in normal window");
           checkSocialUI(window);
+
+          // Check that the status button is disabled on the private
+          // browsing window and not on the normal window.
+          let id = SocialStatus._toolbarHelper.idFromOrigin("https://example.com");
+          let widget = CustomizableUI.getWidget(id);
+          ok(widget.forWindow(pbwin).node.disabled, "status button disabled on private window");
+          ok(!widget.forWindow(window).node.disabled, "status button enabled on normal window");
+
+          // Check that the mark button is disabled on the private
+          // browsing window and not on the normal window.
+          id = SocialMarks._toolbarHelper.idFromOrigin("https://example.com");
+          widget = CustomizableUI.getWidget(id);
+          ok(widget.forWindow(pbwin).node.disabled, "mark button disabled on private window");
+          ok(!widget.forWindow(window).node.disabled, "mark button enabled on normal window");
+
           // that's all folks...
           pbwin.close();
           next();
diff --git a/browser/modules/Social.jsm b/browser/modules/Social.jsm
index ce886c2145b0..cc5d2879b676 100644
--- a/browser/modules/Social.jsm
+++ b/browser/modules/Social.jsm
@@ -25,6 +25,8 @@ XPCOMUtils.defineLazyModuleGetter(this, "SocialService",
   "resource://gre/modules/SocialService.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
   "resource://gre/modules/PlacesUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
+  "resource://gre/modules/PrivateBrowsingUtils.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "Promise",
   "resource://gre/modules/Promise.jsm");
 
@@ -398,6 +400,9 @@ function CreateSocialStatusWidget(aId, aProvider) {
       node.setAttribute("tooltiptext", aProvider.name);
       node.setAttribute("oncommand", "SocialStatus.showPopup(this);");
 
+      if (PrivateBrowsingUtils.isWindowPrivate(aDocument.defaultView))
+        node.setAttribute("disabled", "true");
+
       return node;
     }
   });