diff --git a/thirdparty/openxr/src/common/platform_utils.hpp b/thirdparty/openxr/src/common/platform_utils.hpp
index 85d5cdab10..2d870cfea7 100644
--- a/thirdparty/openxr/src/common/platform_utils.hpp
+++ b/thirdparty/openxr/src/common/platform_utils.hpp
@@ -11,6 +11,7 @@
 
 #include "xr_dependencies.h"
 #include <string>
+#include <stdint.h>
 #include <stdlib.h>
 
 // OpenXR paths and registry key locations