--- a/browser/components/places/content/bookmarksPanel.js
+++ b/browser/components/places/content/bookmarksPanel.js
@@ -11,13 +11,14 @@ function init() {
 function searchBookmarks(aSearchString) {
   var tree = document.getElementById("bookmarks-view");
   if (!aSearchString)
     tree.place = tree.place;
   else
     tree.applyFilter(aSearchString,
                      [PlacesUtils.bookmarksMenuFolderId,
                       PlacesUtils.unfiledBookmarksFolderId,
-                      PlacesUtils.toolbarFolderId]);
+                      PlacesUtils.toolbarFolderId,
+                      PlacesUtils.mobileFolderId]);
 }
 
 window.addEventListener("SidebarFocused",
                         () => document.getElementById("search-box").focus());

--- a/browser/components/places/content/places.js
+++ b/browser/components/places/content/places.js
@@ -752,17 +752,18 @@ var PlacesSearchBox = {
   /**
    * Folders to include when searching.
    */
   _folders: [],
   get folders() {
     if (this._folders.length == 0) {
       this._folders.push(PlacesUtils.bookmarksMenuFolderId,
                          PlacesUtils.unfiledBookmarksFolderId,
-                         PlacesUtils.toolbarFolderId);
+                         PlacesUtils.toolbarFolderId,
+                         PlacesUtils.mobileFolderId);
     }
     return this._folders;
   },
   set folders(aFolders) {
     this._folders = aFolders;
     return aFolders;
   },
 
@@ -938,17 +939,18 @@ var PlacesQueryBuilder = {
     switch (aScope) {
       case "history":
         filterCollection = "history";
         break;
       case "bookmarks":
         filterCollection = "bookmarks";
         folders.push(PlacesUtils.bookmarksMenuFolderId,
                      PlacesUtils.toolbarFolderId,
-                     PlacesUtils.unfiledBookmarksFolderId);
+                     PlacesUtils.unfiledBookmarksFolderId,
+                     PlacesUtils.mobileFolderId);
         break;
       case "downloads":
         filterCollection = "downloads";
         break;
       default:
         throw "Invalid search scope";
     }