From e24de79a9e8f4cf8c422f3bca4c3d3bc28dc1f97 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89milie=20Feral?= <emilie.feral@numworks.com>
Date: Thu, 28 May 2020 17:29:15 +0200
Subject: [PATCH] [apps/calculation] HistoryController: avoid dereferencing
 nullptr

---
 apps/calculation/history_controller.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/calculation/history_controller.cpp b/apps/calculation/history_controller.cpp
index 6e437fce0..a9bbc1e1e 100644
--- a/apps/calculation/history_controller.cpp
+++ b/apps/calculation/history_controller.cpp
@@ -162,7 +162,7 @@ void HistoryController::tableViewDidChangeSelection(SelectableTableView * t, int
   } else {
     HistoryViewCell * selectedCell = (HistoryViewCell *)(t->selectedCell());
     SubviewType nextSelectedSubviewType = selectedSubviewType();
-    if (!selectedCell->displaysSingleLine()) {
+    if (selectedCell && !selectedCell->displaysSingleLine()) {
       nextSelectedSubviewType = previousSelectedCellY < selectedRow() ? SubviewType::Input : SubviewType::Output;
     }
     setSelectedSubviewType(nextSelectedSubviewType, false, previousSelectedCellX, previousSelectedCellY);