diff --git a/functions.h b/functions.h
index fde351c..d9cd9dd 100644
--- a/functions.h
+++ b/functions.h
@@ -94,6 +94,7 @@ namespace global {
     inline bool isN905C;
     inline bool isN613;
     inline bool isN873;
+    inline bool runningInstanceIsReaderOnly;
 }
 
 // https://stackoverflow.com/questions/6080853/c-multiple-definition-error-for-global-functions-in-the-header-file/20679534#20679534
diff --git a/main.cpp b/main.cpp
index be25490..d9c6357 100644
--- a/main.cpp
+++ b/main.cpp
@@ -60,7 +60,7 @@ int main(int argc, char *argv[])
         QApplication a(argc, argv);
         alert w;
 
-        const QScreen* screen = qApp->primaryScreen();
+        const QScreen * screen = qApp->primaryScreen();
         w.setGeometry(QRect(QPoint(0,0), screen->geometry().size()));
         w.show();
         return a.exec();
@@ -68,6 +68,7 @@ int main(int argc, char *argv[])
     // If we're waking from sleep and we have the lockscreen enabled, we'll "resume" the book from scratch
     else if(checkconfig("/tmp/suspendBook") == true && checkconfig("/inkbox/bookIsEpub") == false) {
         // Start the low/critical battery alert timer from the Reader framework since MainWindow is not going to be shown
+        global::runningInstanceIsReaderOnly = true;
         global::reader::startBatteryWatchdog = true;
         global::reader::startUsbmsPrompt = true;
         global::reader::skipOpenDialog = true;
@@ -154,7 +155,7 @@ int main(int argc, char *argv[])
             ;
         }
 
-        const QScreen* screen = qApp->primaryScreen();
+        const QScreen * screen = qApp->primaryScreen();
         w.setGeometry(QRect(QPoint(0,0), screen->geometry ().size()));
         w.show();
         return a.exec();
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 42bbece..e783750 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -643,9 +643,7 @@ void MainWindow::on_appsBtn_clicked()
 
 void MainWindow::on_pushButton_clicked()
 {
-    readerWindow = new reader();
-    readerWindow->setAttribute(Qt::WA_DeleteOnClose);
-    readerWindow->showFullScreen();
+    openReaderFramework();
 }
 
 void MainWindow::on_searchBtn_clicked()
@@ -666,9 +664,7 @@ void MainWindow::on_book1Btn_clicked()
     global::reader::skipOpenDialog = true;
     global::reader::bookNumber = 1;
 
-    readerWindow = new reader();
-    readerWindow->setAttribute(Qt::WA_DeleteOnClose);
-    readerWindow->showFullScreen();
+    openReaderFramework();
 }
 
 void MainWindow::on_book2Btn_clicked()
@@ -676,9 +672,7 @@ void MainWindow::on_book2Btn_clicked()
     global::reader::skipOpenDialog = true;
     global::reader::bookNumber = 2;
 
-    readerWindow = new reader();
-    readerWindow->setAttribute(Qt::WA_DeleteOnClose);
-    readerWindow->showFullScreen();
+    openReaderFramework();
 }
 
 void MainWindow::on_book3Btn_clicked()
@@ -686,9 +680,7 @@ void MainWindow::on_book3Btn_clicked()
     global::reader::skipOpenDialog = true;
     global::reader::bookNumber = 3;
 
-    readerWindow = new reader();
-    readerWindow->setAttribute(Qt::WA_DeleteOnClose);
-    readerWindow->showFullScreen();
+    openReaderFramework();
 }
 
 void MainWindow::on_book4Btn_clicked()
@@ -696,9 +688,7 @@ void MainWindow::on_book4Btn_clicked()
     global::reader::skipOpenDialog = true;
     global::reader::bookNumber = 4;
 
-    readerWindow = new reader();
-    readerWindow->setAttribute(Qt::WA_DeleteOnClose);
-    readerWindow->showFullScreen();
+    openReaderFramework();
 }
 
 void MainWindow::on_brightnessBtn_clicked()
@@ -1011,7 +1001,12 @@ void MainWindow::openBookFile(QString book, bool relativePath) {
 
     global::reader::skipOpenDialog = true;
     global::reader::bookFile = book;
+    openReaderFramework();
+}
+
+void MainWindow::openReaderFramework() {
     readerWindow = new reader();
     readerWindow->setAttribute(Qt::WA_DeleteOnClose);
+    connect(readerWindow, SIGNAL(openBookFile(QString, bool)), SLOT(openBookFile(QString, bool)));
     readerWindow->showFullScreen();
 }
diff --git a/mainwindow.h b/mainwindow.h
index c1dcc9a..b6c5414 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -86,6 +86,7 @@ private slots:
     void openUpdateDialogOTA(bool open);
     void launchOtaUpdater();
     void openBookFile(QString book, bool relativePath);
+    void openReaderFramework();
 
 private:
     Ui::MainWindow *ui;
diff --git a/reader.cpp b/reader.cpp
index 9fb9d4a..6a6a05b 100644
--- a/reader.cpp
+++ b/reader.cpp
@@ -1856,7 +1856,7 @@ void reader::setupSearchDialog() {
         generalDialogWindow->setAttribute(Qt::WA_DeleteOnClose);
         connect(generalDialogWindow, SIGNAL(refreshScreen()), SLOT(searchRefreshScreen()));
         connect(generalDialogWindow, SIGNAL(destroyed(QObject*)), SLOT(setupSearchDialog()));
-        connect(generalDialogWindow, SIGNAL(openBookFile(QString, bool)), SLOT(openBookFile(QString, bool)));
+        connect(generalDialogWindow, SIGNAL(openBookFile(QString, bool)), SLOT(openBookFileNative(QString, bool)));
         connect(generalDialogWindow, SIGNAL(showToast(QString)), SLOT(showToast(QString)));
         generalDialogWindow->show();
     }
@@ -2062,6 +2062,11 @@ void reader::on_increaseScaleBtn_clicked()
     }
 }
 
-void reader::openBookFile(QString book, bool relativePath) {
-    qDebug() << "Open book:" << book;
+void reader::openBookFileNative(QString book, bool relativePath) {
+    if(global::runningInstanceIsReaderOnly == false) {
+        emit openBookFile(book, relativePath);
+    }
+    else {
+        showToast("Not supported");
+    }
 }
diff --git a/reader.h b/reader.h
index 2c58f46..dc96eef 100644
--- a/reader.h
+++ b/reader.h
@@ -119,7 +119,6 @@ public:
     void setBitterFont();
     void setCrimsonProFont();
     void setIbarraFont();
-    void showToast(QString messageToDisplay);
     bool pdf_file_match(QString file);
 
 private slots:
@@ -156,6 +155,10 @@ private slots:
     void on_pdfScaleSlider_valueChanged(int value);
     void on_decreaseScaleBtn_clicked();
     void on_increaseScaleBtn_clicked();
+    void openBookFileNative(QString book, bool relativePath);
+    void showToast(QString messageToDisplay);
+
+signals:
     void openBookFile(QString book, bool relativePath);
 
 private: