diff --git a/freebsd/arm64/include/pcpu.h b/freebsd/arm64/include/pcpu.h
index 21b58db5c..68ebbeb87 100644
--- a/freebsd/arm64/include/pcpu.h
+++ b/freebsd/arm64/include/pcpu.h
@@ -64,6 +64,7 @@ get_curthread(void)
 }
 
 #define	curthread get_curthread()
+#undef	curthread
 
 #define	PCPU_GET(member)	(get_pcpu()->pc_ ## member)
 #define	PCPU_ADD(member, value)	(get_pcpu()->pc_ ## member += (value))