diff --git a/third_party/happyhttp/src/happyhttp.cpp b/third_party/happyhttp/src/happyhttp.cpp
index 9e56673..8c8548f 100644
--- a/third_party/happyhttp/src/happyhttp.cpp
+++ b/third_party/happyhttp/src/happyhttp.cpp
@@ -49,7 +49,7 @@
 #include <string>
 #include <algorithm>
 
-#ifdef __APPLE__
+#ifndef _WIN32
 	#define _stricmp strcasecmp
 #endif