diff --git a/apps/settings/sub_menu/preferences_controller.cpp b/apps/settings/sub_menu/preferences_controller.cpp
index a20c3b45f..56473f890 100644
--- a/apps/settings/sub_menu/preferences_controller.cpp
+++ b/apps/settings/sub_menu/preferences_controller.cpp
@@ -49,55 +49,55 @@ int PreferencesController::reusableCellCount(int type) {
   return k_totalNumberOfCell;
 }
 
-Layout layoutForPreferences(I18n::Message message) {
+Layout PreferencesController::layoutForPreferences(I18n::Message message) {
   switch (message) {
     // Angle Unit
     case I18n::Message::Degres:
     {
       const char * degEx = "90°";
-      return LayoutHelper::String("90°", strlen(degEx), KDFont::SmallFont);
+      return LayoutHelper::String("90°", strlen(degEx), k_layoutFont);
     }
     case I18n::Message::Radian:
     {
       const char * pi = "π";
       return FractionLayout::Builder(
-          LayoutHelper::String(pi, sizeof(pi), KDFont::SmallFont),
-          LayoutHelper::String("2", 1, KDFont::SmallFont)
+          LayoutHelper::String(pi, sizeof(pi), k_layoutFont),
+          LayoutHelper::String("2", 1, k_layoutFont)
         );
     }
     // Display Mode format
     case I18n::Message::Decimal:
-      return LayoutHelper::String("12.34", 5, KDFont::SmallFont);
+      return LayoutHelper::String("12.34", 5, k_layoutFont);
     case I18n::Message::Scientific:
     {
       const char * text = "1.234ᴇ1";
-      return LayoutHelper::String(text, strlen(text), KDFont::SmallFont);
+      return LayoutHelper::String(text, strlen(text), k_layoutFont);
     }
     // Edition mode
     case I18n::Message::Edition2D:
       return HorizontalLayout::Builder(
-          LayoutHelper::String("1+", 2, KDFont::SmallFont),
-          FractionLayout::Builder(LayoutHelper::String("2", 1, KDFont::SmallFont), LayoutHelper::String("3", 1, KDFont::SmallFont))
+          LayoutHelper::String("1+", 2, k_layoutFont),
+          FractionLayout::Builder(LayoutHelper::String("2", 1, k_layoutFont), LayoutHelper::String("3", 1, k_layoutFont))
         );
     case I18n::Message::EditionLinear:
-      return LayoutHelper::String("1+2/3", 5, KDFont::SmallFont);
+      return LayoutHelper::String("1+2/3", 5, k_layoutFont);
     // Complex format
     case I18n::Message::Real:
     {
-      return CodePointLayout::Builder('x', KDFont::SmallFont);
+      return CodePointLayout::Builder('x', k_layoutFont);
     }
     case I18n::Message::Cartesian:
     {
       const char * text = "a+𝐢b";
-      return LayoutHelper::String(text, strlen(text), KDFont::SmallFont);
+      return LayoutHelper::String(text, strlen(text), k_layoutFont);
     }
     case I18n::Message::Polar:
     {
       const char * base = "rℯ";
       const char * superscript = "𝐢θ";
       return HorizontalLayout::Builder(
-          LayoutHelper::String(base, strlen(base), KDFont::SmallFont),
-          VerticalOffsetLayout::Builder(LayoutHelper::String(superscript, strlen(superscript), KDFont::SmallFont), VerticalOffsetLayoutNode::Type::Superscript)
+          LayoutHelper::String(base, strlen(base), k_layoutFont),
+          VerticalOffsetLayout::Builder(LayoutHelper::String(superscript, strlen(superscript), k_layoutFont), VerticalOffsetLayoutNode::Type::Superscript)
         );
     }
     default:
diff --git a/apps/settings/sub_menu/preferences_controller.h b/apps/settings/sub_menu/preferences_controller.h
index 5648feccb..c2a860cf7 100644
--- a/apps/settings/sub_menu/preferences_controller.h
+++ b/apps/settings/sub_menu/preferences_controller.h
@@ -17,6 +17,8 @@ public:
 protected:
   constexpr static int k_totalNumberOfCell = 3;
 private:
+  constexpr static const KDFont * k_layoutFont = KDFont::SmallFont;
+  Poincare::Layout layoutForPreferences(I18n::Message message);
   void setPreferenceWithValueIndex(I18n::Message message, int valueIndex);
   int valueIndexForPreference(I18n::Message message);
   MessageTableCellWithExpression m_cells[k_totalNumberOfCell];