diff --git a/thirdparty/vulkan/loader/loader.c b/thirdparty/vulkan/loader/loader.c
index f2db7924a272..5e4de5e7498c 100755
--- a/thirdparty/vulkan/loader/loader.c
+++ b/thirdparty/vulkan/loader/loader.c
@@ -60,9 +60,9 @@
 #include "murmurhash.h"
 
 #if defined(_WIN32)
-#include <Cfgmgr32.h>
+#include <cfgmgr32.h>
 #include <initguid.h>
-#include <Devpkey.h>
+#include <devpkey.h>
 #endif
 
 // This is a CMake generated file with #defines for any functions/includes
diff --git a/thirdparty/vulkan/loader/vk_loader_platform.h b/thirdparty/vulkan/loader/vk_loader_platform.h
index dd6b3fde6795..e405c21088d2 100755
--- a/thirdparty/vulkan/loader/vk_loader_platform.h
+++ b/thirdparty/vulkan/loader/vk_loader_platform.h
@@ -25,7 +25,7 @@
 
 #if defined(_WIN32)
 // WinSock2.h must be included *BEFORE* windows.h
-#include <WinSock2.h>
+#include <winsock2.h>
 #endif  // _WIN32
 
 #include "vulkan/vk_platform.h"