diff --git a/lldb/source/Core/IOHandler.cpp b/lldb/source/Core/IOHandler.cpp
index 3cb1ffab3a0e..194fec8a8798 100644
--- a/lldb/source/Core/IOHandler.cpp
+++ b/lldb/source/Core/IOHandler.cpp
@@ -58,7 +58,7 @@
 #include "llvm/ADT/StringRef.h" // for StringRef
 
 #ifdef _MSC_VER
-#include <windows.h>
+#include "lldb/Host/windows/windows.h"
 #endif
 
 #include <memory> // for shared_ptr
diff --git a/lldb/source/Core/Mangled.cpp b/lldb/source/Core/Mangled.cpp
index c2e9b8904a0a..4dac0b8f3bf1 100644
--- a/lldb/source/Core/Mangled.cpp
+++ b/lldb/source/Core/Mangled.cpp
@@ -10,7 +10,7 @@
 #include "lldb/Core/Mangled.h"
 
 #if defined(_WIN32)
-#include <windows.h>
+#include "lldb/Host/windows/windows.h"
 
 #include <dbghelp.h>
 #pragma comment(lib, "dbghelp.lib")