diff --git a/apps/calculation/additional_outputs/trigonometry_graph_cell.cpp b/apps/calculation/additional_outputs/trigonometry_graph_cell.cpp
index 5e3348f6c..17b52414b 100644
--- a/apps/calculation/additional_outputs/trigonometry_graph_cell.cpp
+++ b/apps/calculation/additional_outputs/trigonometry_graph_cell.cpp
@@ -7,7 +7,7 @@ namespace Calculation {
 
 TrigonometryGraphView::TrigonometryGraphView(TrigonometryModel * model) :
   CurveView(model),
-  m_angle(model)
+  m_model(model)
 {
 }
 
diff --git a/apps/calculation/additional_outputs/trigonometry_graph_cell.h b/apps/calculation/additional_outputs/trigonometry_graph_cell.h
index 4c5d2c8a1..b5ad34832 100644
--- a/apps/calculation/additional_outputs/trigonometry_graph_cell.h
+++ b/apps/calculation/additional_outputs/trigonometry_graph_cell.h
@@ -12,7 +12,7 @@ public:
   void drawRect(KDContext * ctx, KDRect rect) const override;
 private:
   char * label(Axis axis, int index) const override { return nullptr; }
-  TrigonometryModel * m_angle;
+  TrigonometryModel * m_model;
 };
 
 class TrigonometryGraphCell : public HighlightCell {