diff --git a/src/config.h.in b/src/config.h.in
index d7f19055..b880ddd3 100644
--- a/src/config.h.in
+++ b/src/config.h.in
@@ -66,6 +66,8 @@
 
 // Define this to 1 if glfwInit should change the current directory
 #cmakedefine _GLFW_USE_CHDIR
+// Define this to 1 if glfwCreateWindow should populate the menu bar
+#cmakedefine _GLFW_USE_MENUBAR
 
 // Define this to 1 if using OpenGL as the client library
 #cmakedefine _GLFW_USE_OPENGL