diff --git a/apps/graph/list/text_field_function_title_cell.cpp b/apps/graph/list/text_field_function_title_cell.cpp
index a4ef2a48b..fd801cda2 100644
--- a/apps/graph/list/text_field_function_title_cell.cpp
+++ b/apps/graph/list/text_field_function_title_cell.cpp
@@ -8,7 +8,8 @@ namespace Graph {
 TextFieldFunctionTitleCell::TextFieldFunctionTitleCell(ListController * listController, Orientation orientation, const KDFont * font) :
   Shared::FunctionTitleCell(orientation),
   Responder(listController),
-  m_textField(Shared::Function::k_parenthesedThetaArgumentByteLength, this, m_textFieldBuffer, k_textFieldBufferSize, k_textFieldBufferSize, nullptr, listController, font, 1.0f, 0.5f)
+  m_textField(Shared::Function::k_parenthesedThetaArgumentByteLength, this, m_textFieldBuffer, k_textFieldBufferSize, k_textFieldBufferSize, nullptr, listController, font, 1.0f, 0.5f),
+  m_textFieldBuffer("")
 {
 }