diff --git a/src/main.cpp b/src/main.cpp
index 286eff7..63fd7cb 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -420,7 +420,7 @@ int main()
     GLFWwindow* win = glfwCreateWindow(
         mode->width, mode->height,
         "Radar Test — Features 1 & 2",
-        mon, nullptr);
+        nullptr, nullptr);
     if (!win) { std::cerr << "Window create failed\n"; glfwTerminate(); return 1; }
 
     glfwMakeContextCurrent(win);