diff --git a/src/runtime/c/pgf/jit.c b/src/runtime/c/pgf/jit.c
index 77ff24e99..a4d2c3ec6 100644
--- a/src/runtime/c/pgf/jit.c
+++ b/src/runtime/c/pgf/jit.c
@@ -5,7 +5,7 @@
 #include <pgf/reasoner.h>
 #include <pgf/reader.h>
 
-#if !defined(LIGHTNING_AARCH64)
+#if !defined(__aarch64__)
 #include "lightning.h"
 #endif