diff --git a/Make.inc b/Make.inc
index 519720a861ed7..5bcf86bc2e413 100644
--- a/Make.inc
+++ b/Make.inc
@@ -898,6 +898,7 @@ ifneq (,$(findstring aarch64,$(ARCH)))
 OPENBLAS_DYNAMIC_ARCH:=0
 OPENBLAS_TARGET_ARCH:=ARMV8
 USE_BLAS64:=1
+BINARY:=64
 ifeq ($(OS),Darwin)
 # Apple Chips are all at least A12Z
 MCPU:=apple-a12