diff --git a/src/tusb_option.h b/src/tusb_option.h
index 3ead20ee7..b29c5a8dc 100644
--- a/src/tusb_option.h
+++ b/src/tusb_option.h
@@ -36,7 +36,7 @@
 #define TUSB_VERSION_REVISION  0
 #define TUSB_VERSION_BUILD     3
 
-#define TUSB_VERSION_NUMBER    (TUSB_VERSION_MAJOR << 24 | TUSB_VERSION_MINOR << 16 | TUSB_VERSION_REVISION << 8 | TUSB_VERSION_BUILD)
+#define TUSB_VERSION_NUMBER    (TUSB_VERSION_MAJOR * 1000000 + TUSB_VERSION_MINOR * 10000 + TUSB_VERSION_REVISION * 100 + TUSB_VERSION_BUILD)
 #define TUSB_VERSION_STRING    TU_STRING(TUSB_VERSION_MAJOR) "." TU_STRING(TUSB_VERSION_MINOR) "." TU_STRING(TUSB_VERSION_REVISION)
 
 //--------------------------------------------------------------------+