diff --git a/examples/example_apple_opengl2/main.mm b/examples/example_apple_opengl2/main.mm
index f336fa99c..9b3fa8831 100644
--- a/examples/example_apple_opengl2/main.mm
+++ b/examples/example_apple_opengl2/main.mm
@@ -81,6 +81,7 @@
 -(void)updateAndDrawDemoView
 {
     // Start the Dear ImGui frame
+    ImGuiIO& io = ImGui::GetIO();
     ImGui_ImplOpenGL2_NewFrame();
     ImGui_ImplOSX_NewFrame(self);
     ImGui::NewFrame();