diff --git a/tools/niminst/makefile.nimf b/tools/niminst/makefile.nimf
index 2fe89ed697..b392ab4728 100644
--- a/tools/niminst/makefile.nimf
+++ b/tools/niminst/makefile.nimf
@@ -173,6 +173,9 @@ endif
 ifeq ($(ucpu),aarch64)
   mycpu = arm64
 endif
+ifeq ($(ucpu),arm64)
+  mycpu = arm64
+endif
 ifeq ($(ucpu),riscv64)
   mycpu = riscv64
 endif