diff --git a/lib/platform_compat.h b/lib/platform_compat.h
index 8aeb2c3e..1450e623 100644
--- a/lib/platform_compat.h
+++ b/lib/platform_compat.h
@@ -17,6 +17,8 @@
 // Byte order conversion functions
 #ifdef _WIN32
     #include <stdlib.h>
+    #define htobe32(x) _byteswap_ulong(x)
+    #define be32toh(x) _byteswap_ulong(x)
     #define htobe64(x) _byteswap_uint64(x)
     #define be64toh(x) _byteswap_uint64(x)
 #else