diff --git a/src/lj_arch.h b/src/lj_arch.h
index fcebd84b..e796912e 100644
--- a/src/lj_arch.h
+++ b/src/lj_arch.h
@@ -436,12 +436,9 @@
 #error "No support for ILP32 model on ARM64"
 #endif
 #elif LJ_TARGET_PPC
-#if !LJ_ARCH_PPC64 && LJ_ARCH_ENDIAN == LUAJIT_LE
+#if !LJ_ARCH_PPC64 && (defined(_LITTLE_ENDIAN) && (!defined(_BYTE_ORDER) || (_BYTE_ORDER == _LITTLE_ENDIAN)))
 #error "No support for little-endian PPC32"
 #endif
-#if LJ_ARCH_PPC64
-#error "No support for PowerPC 64 bit mode (yet)"
-#endif
 #if defined(__NO_FPRS__) && !defined(_SOFT_FLOAT)
 #error "No support for PPC/e500 anymore (use LuaJIT 2.0)"
 #endif