diff --git a/shell/renderSessions/NanovgSession.cpp b/shell/renderSessions/NanovgSession.cpp
index c773650e51..3a0322d867 100644
--- a/shell/renderSessions/NanovgSession.cpp
+++ b/shell/renderSessions/NanovgSession.cpp
@@ -146,15 +146,15 @@ void NanovgSession::update(igl::SurfaceTextures surfaceTextures) noexcept {
   RenderSession::update(surfaceTextures);
 }
 
-void NanovgSession::drawNanovg(float __width,
-                               float __height,
+void NanovgSession::drawNanovg(float framebuffferWidth,
+                               float framebufferHeight,
                                std::shared_ptr<igl::IRenderCommandEncoder> command) {
   NVGcontext* vg = nvgContext_;
 
   float pxRatio = 2.0f;
 
-  const float width = __width / pxRatio;
-  const float height = __height / pxRatio;
+  const float width = framebuffferWidth / pxRatio;
+  const float height = framebufferHeight / pxRatio;
 
 #if IGL_PLATFORM_IOS || IGL_PLATFORM_ANDROID
   int mx = touchListener_->touchX;
diff --git a/shell/renderSessions/NanovgSession.h b/shell/renderSessions/NanovgSession.h
index f5657b3e77..38f3c9518a 100644
--- a/shell/renderSessions/NanovgSession.h
+++ b/shell/renderSessions/NanovgSession.h
@@ -58,7 +58,7 @@ class NanovgSession : public RenderSession {
   void update(igl::SurfaceTextures surfaceTextures) noexcept override;
 
  private:
-  void drawNanovg(float width, float height, std::shared_ptr<igl::IRenderCommandEncoder> command);
+  void drawNanovg(float framebuffferWidth, float framebufferHeight, std::shared_ptr<igl::IRenderCommandEncoder> command);
   int loadDemoData(NVGcontext* vg, DemoData* data);
 
  private: