diff --git a/thirdparty/breakpad/client/windows/common/ipc_protocol.h b/thirdparty/breakpad/client/windows/common/ipc_protocol.h
index b03c032b7..c74868198 100644
--- a/thirdparty/breakpad/client/windows/common/ipc_protocol.h
+++ b/thirdparty/breakpad/client/windows/common/ipc_protocol.h
@@ -30,8 +30,8 @@
 #ifndef CLIENT_WINDOWS_COMMON_IPC_PROTOCOL_H__
 #define CLIENT_WINDOWS_COMMON_IPC_PROTOCOL_H__
 
-#include <Windows.h>
-#include <DbgHelp.h>
+#include <windows.h>
+#include <dbghelp.h>
 #include <string>
 #include <utility>
 #include "common/windows/string_utils-inl.h"
diff --git a/thirdparty/breakpad/client/windows/handler/exception_handler.cc b/thirdparty/breakpad/client/windows/handler/exception_handler.cc
index 08c5fb5f9..814c7417b 100644
--- a/thirdparty/breakpad/client/windows/handler/exception_handler.cc
+++ b/thirdparty/breakpad/client/windows/handler/exception_handler.cc
@@ -27,7 +27,7 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#include <ObjBase.h>
+#include <objbase.h>
 
 #include <algorithm>
 #include <cassert>
diff --git a/thirdparty/breakpad/client/windows/handler/exception_handler.h b/thirdparty/breakpad/client/windows/handler/exception_handler.h
index 6c5ee76ac..9b8742b77 100644
--- a/thirdparty/breakpad/client/windows/handler/exception_handler.h
+++ b/thirdparty/breakpad/client/windows/handler/exception_handler.h
@@ -57,8 +57,8 @@
 #define CLIENT_WINDOWS_HANDLER_EXCEPTION_HANDLER_H__
 
 #include <stdlib.h>
-#include <Windows.h>
-#include <DbgHelp.h>
+#include <windows.h>
+#include <dbghelp.h>
 #include <rpc.h>
 
 #pragma warning( push )
diff --git a/thirdparty/breakpad/common/windows/guid_string.h b/thirdparty/breakpad/common/windows/guid_string.h
index f8aa8a231..57716e504 100644
--- a/thirdparty/breakpad/common/windows/guid_string.h
+++ b/thirdparty/breakpad/common/windows/guid_string.h
@@ -32,7 +32,7 @@
 #ifndef COMMON_WINDOWS_GUID_STRING_H__
 #define COMMON_WINDOWS_GUID_STRING_H__
 
-#include <Guiddef.h>
+#include <guiddef.h>
 
 #include <string>
 
diff --git a/thirdparty/breakpad/google_breakpad/common/breakpad_types.h b/thirdparty/breakpad/google_breakpad/common/breakpad_types.h
index 926b47f2a..c46bb7848 100644
--- a/thirdparty/breakpad/google_breakpad/common/breakpad_types.h
+++ b/thirdparty/breakpad/google_breakpad/common/breakpad_types.h
@@ -57,7 +57,7 @@ typedef uint64_t u_int64_t;
 
 #else  /* !_WIN32 */
 
-#include <WTypes.h>
+#include <wtypes.h>
 
 typedef unsigned __int8  u_int8_t;
 typedef unsigned __int16 u_int16_t;