diff --git a/comms/snap7/Makefile b/comms/snap7/Makefile
index b5db15f5d61c..cecf181d7b1d 100644
--- a/comms/snap7/Makefile
+++ b/comms/snap7/Makefile
@@ -12,8 +12,6 @@ COMMENT=	Multi-platform Ethernet S7 PLC communication suite
 
 LICENSE=	GPLv3
 
-ONLY_FOR_ARCHS=	amd64 armv6 i386 mips powerpc64 powerpc64le powerpc
-
 USES=		gmake
 USE_LDCONFIG=	yes
 
diff --git a/comms/snap7/files/patch-aarch64__bsd.mk b/comms/snap7/files/patch-aarch64__bsd.mk
new file mode 100644
index 000000000000..93fca6aa0da8
--- /dev/null
+++ b/comms/snap7/files/patch-aarch64__bsd.mk
@@ -0,0 +1,15 @@
+--- aarch64_bsd.mk.orig	2021-07-21 15:55:09 UTC
++++ aarch64_bsd.mk
+@@ -0,0 +1,12 @@
++##
++## aarch64 BSD based (FreeBSD etc.) Makefile
++## Use gmake instead of make
++##
++TargetCPU  :=aarch64
++OS         :=bsd
++CXXFLAGS   := -O3 -g -fPIC -pedantic
++
++# Standard part
++
++include common.mk
++