diff --git a/src/debug.cpp b/src/debug.cpp
index f9299e2..550eef6 100644
--- a/src/debug.cpp
+++ b/src/debug.cpp
@@ -21,7 +21,7 @@ extern "C" void NSLog(CFStringRef _format, ...);
 #elif 0 // BX_PLATFORM_EMSCRIPTEN
 #	include <emscripten.h>
 #else
-#	include <stdio.h>
+#	include <stdio.h> // fputs, fflush
 #endif // BX_PLATFORM_WINDOWS
 
 namespace bx