diff --git a/src/calibre/gui2/viewer/keys.py b/src/calibre/gui2/viewer/keys.py
index ee312e2551..02a3646c51 100644
--- a/src/calibre/gui2/viewer/keys.py
+++ b/src/calibre/gui2/viewer/keys.py
@@ -87,4 +87,6 @@ SHORTCUTS = {
         'Bookmark': (['Ctrl+B'],
                      _('Bookmark the current location')),
 
+        'Reload': (['Ctrl+R', 'F5'],
+                     _('Reload the current book')),
 }
diff --git a/src/calibre/gui2/viewer/main.py b/src/calibre/gui2/viewer/main.py
index 7ead23cec6..1ed1332232 100644
--- a/src/calibre/gui2/viewer/main.py
+++ b/src/calibre/gui2/viewer/main.py
@@ -905,6 +905,10 @@ class EbookViewer(MainWindow):
             return
         if key == 'Focus Search':
             self.search.setFocus(Qt.OtherFocusReason)
+            return
+        if key == 'Reload' and getattr(self.iterator, 'pathtoebook', None):
+            self.load_ebook(self.iterator.pathtoebook)
+            return
         if not self.view.handle_key_press(event):
             event.ignore()