diff --git a/libc/tools/gensyscalls.py b/libc/tools/gensyscalls.py
index 0271a04..0e0e25f 100755
--- a/libc/tools/gensyscalls.py
+++ b/libc/tools/gensyscalls.py
@@ -459,6 +459,8 @@
         if syscall.has_key("asm-%s" % arch):
             print(syscall["asm-%s" % arch])
 
+    if arch == 'arm64':
+        print('\nNOTE_GNU_PROPERTY()\n')
 
 if __name__ == "__main__":
     if len(sys.argv) < 2: