From 0bcf60fea66030907b92c99f69d9c406a5bed8c0 Mon Sep 17 00:00:00 2001
From: Glutanimate <glutanimate@users.noreply.github.com>
Date: Fri, 24 Mar 2017 17:05:33 +0100
Subject: [PATCH] Tweak previewer navigation button display

---
 aqt/browser.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/aqt/browser.py b/aqt/browser.py
index cbdc61d0b..78847d57e 100644
--- a/aqt/browser.py
+++ b/aqt/browser.py
@@ -1087,7 +1087,8 @@ where id in %s""" % ids2str(sf))
     def _updatePreviewButtons(self):
         if not self._previewWindow:
             return
-        canBack = self.currentRow() >  0 or self._previewState == "question"
+        current = self.currentRow()
+        canBack = (current > 0 or (current == 0 and self._previewState == "answer" ))
         self._previewPrev.setEnabled(not not (self.singleCard and canBack))
         canForward = self.currentRow() < self.model.rowCount(None) - 1 or \
                      self._previewState == "question"