diff --git a/frontend/apps/filemanager/filemanagerhistory.lua b/frontend/apps/filemanager/filemanagerhistory.lua
index 0e3c031f6..410807782 100644
--- a/frontend/apps/filemanager/filemanagerhistory.lua
+++ b/frontend/apps/filemanager/filemanagerhistory.lua
@@ -1,6 +1,7 @@
 local InputContainer = require("ui/widget/container/inputcontainer")
 local CenterContainer = require("ui/widget/container/centercontainer")
 local ButtonDialog = require("ui/widget/buttondialog")
+local ReaderUI = require("apps/reader/readerui")
 local lfs = require("libs/libkoreader-lfs")
 local UIManager = require("ui/uimanager")
 local DocSettings = require("docsettings")
@@ -83,7 +84,10 @@ function FileManagerHistory:updateItemTable()
         for f in lfs.dir(history_dir) do
             local path = history_dir..f
             if lfs.attributes(path, "mode") == "file" then
-                table.insert(sorted_files, {file = f, date = lfs.attributes(path, "modification")})
+                table.insert(sorted_files, {
+                    file = f,
+                    date = lfs.attributes(path, "modification")
+                })
             end
         end
         table.sort(sorted_files, function(v1,v2) return v1.date > v2.date end)
@@ -104,7 +108,7 @@ function FileManagerHistory:updateItemTable()
             text = v.name,
             histfile = v.histfile,
             callback = function()
-                showReaderUI(v.dir .. "/" .. v.name)
+                ReaderUI:showReader(v.dir .. "/" .. v.name)
             end
         })
     end
diff --git a/frontend/apps/filemanager/filemanagersearch.lua b/frontend/apps/filemanager/filemanagersearch.lua
index f026f7b87..4a19ae9b1 100644
--- a/frontend/apps/filemanager/filemanagersearch.lua
+++ b/frontend/apps/filemanager/filemanagersearch.lua
@@ -3,6 +3,7 @@ local InputContainer = require("ui/widget/container/inputcontainer")
 local DocumentRegistry = require("document/documentregistry")
 local InputDialog = require("ui/widget/inputdialog")
 local InfoMessage = require("ui/widget/infomessage")
+local ReaderUI = require("apps/reader/readerui")
 local lfs = require("libs/libkoreader-lfs")
 local UIManager = require("ui/uimanager")
 local Menu = require("ui/widget/menu")
@@ -531,7 +532,7 @@ function Search:showresults()
                path = self.data[i][self.path],
                text = self.data[i][self.authors] .. ": " .. self.data[i][self.title],
                callback = function()
-                   showReaderUI(book)
+                   ReaderUI:showReader(book)
                end
             })
             i = i + 1
@@ -636,7 +637,7 @@ function Search:browse(option,run,chosen)
                    notchecked = true,
                    path = self.data[i][self.path],
                    callback = function()
-                       showReaderUI(book)
+                       ReaderUI:showReader(book)
                    end
                 })
             end