diff --git a/src/CalcManager/win_data_types_cross_platform.h b/src/CalcManager/win_data_types_cross_platform.h
index 6d5c53c6..ef6b8489 100644
--- a/src/CalcManager/win_data_types_cross_platform.h
+++ b/src/CalcManager/win_data_types_cross_platform.h
@@ -1,4 +1,6 @@
 #pragma once
 
-#define LODWORD(qw) ((DWORD)(qw))
-#define HIDWORD(qw) ((DWORD)(((qw) >> 32) & 0xffffffff))
+#include <cstdint>
+
+#define LODWORD(qw) ((uint32_t)(qw))
+#define HIDWORD(qw) ((uint32_t)(((qw) >> 32) & 0xffffffff))