diff --git a/Makefile b/Makefile
index ee650c9..4091098 100644
--- a/Makefile
+++ b/Makefile
@@ -39,6 +39,8 @@ ifeq ($(arch1),x86_64)
 arch2=amd64
 else ifeq ($(arch1),aarch64)
 arch2=arm64
+else ifeq ($(arch1),arm64)
+arch2=arm64
 else
 $(error unsupported ARCH: $(arch1))
 endif