From c1d5c94e22ad34e4a8591a885cc9c188667978ec Mon Sep 17 00:00:00 2001
From: David Capello <david@igarastudio.com>
Date: Thu, 14 Nov 2019 17:55:13 -0300
Subject: [PATCH] Disable forward button correctly when the file selector is
 opened

---
 src/app/ui/file_selector.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/app/ui/file_selector.cpp b/src/app/ui/file_selector.cpp
index a14f6e21b..218263152 100644
--- a/src/app/ui/file_selector.cpp
+++ b/src/app/ui/file_selector.cpp
@@ -720,8 +720,8 @@ void FileSelector::updateNavigationButtons()
   // isn't the last one.
   goForwardButton()->setEnabled(
     navigation_history.size() > 1 &&
-    (navigation_position.is_null() ||
-     navigation_position.get() != navigation_history.end()-1));
+    navigation_position.is_valid() &&
+    navigation_position.get() != navigation_history.end()-1);
 
   // Update the state of the go up button: if the current-folder isn't
   // the root-item.