diff --git a/ppc64le.patch b/ppc64le.patch
index af03da5..0567ee4 100644
--- a/ppc64le.patch
+++ b/ppc64le.patch
@@ -6,7 +6,7 @@ Index: acpica-unix2-20170728/source/include/platform/aclinux.h
  #define __cdecl
  #endif
  
-+#if __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
++#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
  #if defined(__PPC64__) || defined(__s390x__)
  #define ACPI_BIG_ENDIAN
  #endif