diff --git a/src/Platform.h b/src/Platform.h
index 4c21b57..302d52a 100644
--- a/src/Platform.h
+++ b/src/Platform.h
@@ -15,8 +15,8 @@
 
 #ifdef _WIN32
 #define WIN32_LEAN_AND_MEAN
-#include <Windows.h>
-#include <Winsock2.h>
+#include <windows.h>
+#include <winsock2.h>
 #include <ws2tcpip.h>
 #elif defined(__APPLE__)
 #include <mach/mach_time.h>
diff --git a/src/PlatformSockets.h b/src/PlatformSockets.h
index db47d83..1ab0ee9 100644
--- a/src/PlatformSockets.h
+++ b/src/PlatformSockets.h
@@ -20,7 +20,7 @@ extern in_port_t n3ds_udp_port;
 
 #ifdef _WIN32
 #define WIN32_LEAN_AND_MEAN
-#include <Windows.h>
+#include <windows.h>
 #include <wlanapi.h>
 #ifndef __MINGW32__
 #include <timeapi.h>