diff --git a/include/utils/Window/WindowImpl/WindowGLFW/WindowGLFW.h b/include/utils/Window/WindowImpl/WindowGLFW/WindowGLFW.h
index 58a534d..976a5ad 100644
--- a/include/utils/Window/WindowImpl/WindowGLFW/WindowGLFW.h
+++ b/include/utils/Window/WindowImpl/WindowGLFW/WindowGLFW.h
@@ -38,7 +38,7 @@ namespace Archimedes {
 
                 window = glfwCreateWindow(640, 480, "Archimedes", NULL, NULL);
 
-                if(!w) {
+                if(!window) {
                     std::cout << "glfwCreateWindow failed!\n";
                     glfwTerminate();
                     std::abort();