diff --git a/apps/sequence/app.cpp b/apps/sequence/app.cpp
index 7e168e207..aa4c7f945 100644
--- a/apps/sequence/app.cpp
+++ b/apps/sequence/app.cpp
@@ -33,4 +33,8 @@ Context * App::localContext() {
   return &m_nContext;
 }
 
+const char * App::XNT() {
+  return "n";
+}
+
 }
diff --git a/apps/sequence/app.h b/apps/sequence/app.h
index 1e0ac41af..df4b07b5c 100644
--- a/apps/sequence/app.h
+++ b/apps/sequence/app.h
@@ -15,6 +15,7 @@ public:
   App(Container * container, Poincare::Context * context);
   InputViewController * inputViewController();
   Poincare::Context * localContext() override;
+  const char * XNT() override;
 private:
   SequenceStore m_sequenceStore;
   Poincare::VariableContext m_nContext;