diff --git a/gnu/usr.bin/binutils/libbfd/bfd.h b/gnu/usr.bin/binutils/libbfd/bfd.h
index fee147c23375..c6fcc4780c44 100644
--- a/gnu/usr.bin/binutils/libbfd/bfd.h
+++ b/gnu/usr.bin/binutils/libbfd/bfd.h
@@ -85,7 +85,7 @@ extern "C" {
 #define BFD_HOST_64BIT_LONG 0
 #define BFD_HOST_64_BIT long long
 #define BFD_HOST_U_64_BIT unsigned long long
-#elif defined(__alpha__) || defined(__sparc64__) || defined(__amd64__)
+#elif defined(__alpha__) || defined(__sparc64__) || defined(__amd64__) || defined(__aarch64__)
 #define BFD_HOST_64BIT_LONG 1
 #define BFD_HOST_64_BIT long
 #define BFD_HOST_U_64_BIT unsigned long