From da97ffc7472f309f7c15a3abdfd5ac62198c2d07 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9a=20Saviot?= <lea.saviot@numworks.com>
Date: Thu, 29 Aug 2019 15:55:03 +0200
Subject: [PATCH] [apps] Fix wrong method called

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

diff --git a/apps/shared/cartesian_function.cpp b/apps/shared/cartesian_function.cpp
index 1e6245318..a16c95141 100644
--- a/apps/shared/cartesian_function.cpp
+++ b/apps/shared/cartesian_function.cpp
@@ -189,7 +189,7 @@ Coordinate2D<T> CartesianFunction::templatedApproximateAtParameter(T t, Poincare
   }
   constexpr int bufferSize = CodePoint::MaxCodePointCharLength + 1;
   char unknown[bufferSize];
-  Poincare::SerializationHelper::CodePoint(unknown, bufferSize, symbol());
+  Poincare::SerializationHelper::CodePoint(unknown, bufferSize, UCodePointUnknownX);
   PlotType type = plotType();
   if (type == PlotType::Cartesian || type == PlotType::Polar) {
     return Coordinate2D<T>(t, PoincareHelpers::ApproximateWithValueForSymbol(expressionReduced(context), unknown, t, context));