1 files changed, 1 insertions, 1 deletions

diff --git a/src/lj_arch.h b/src/lj_arch.h
index 31a11593..903d6c64 100644
--- a/src/lj_arch.h
+++ b/src/lj_arch.h
@@ -184,7 +184,7 @@
 #define LJ_TARGET_MASKROT       1
 #define LJ_TARGET_UNALIGNED     1
 #define LJ_ARCH_NUMMODE         LJ_NUMMODE_SINGLE_DUAL
-#ifdef LUAJIT_ENABLE_GC64
+#ifndef LUAJIT_DISABLE_GC64
 #define LJ_TARGET_GC64          1
 #endif