diff --git a/pkgs/os-specific/bsd/freebsd/lib/default.nix b/pkgs/os-specific/bsd/freebsd/lib/default.nix
index 3fea3bc3e7f2..d8d975ef71ad 100644
--- a/pkgs/os-specific/bsd/freebsd/lib/default.nix
+++ b/pkgs/os-specific/bsd/freebsd/lib/default.nix
@@ -8,6 +8,40 @@
   inherit version;
 
   mkBsdArch =
+    stdenv':
+    {
+      x86_64 = "amd64";
+      aarch64 = "aarch64";
+      i486 = "i386";
+      i586 = "i386";
+      i686 = "i386";
+      armv6l = "armv6";
+      armv7l = "armv7";
+      powerpc = "powerpc";
+      powerpc64 = "powerpc64";
+      powerpc64le = "powerpc64le";
+      riscv64 = "riscv64";
+    }
+    .${stdenv'.hostPlatform.parsed.cpu.name} or stdenv'.hostPlatform.parsed.cpu.name;
+
+  mkBsdCpuArch =
+    stdenv':
+    {
+      x86_64 = "amd64";
+      aarch64 = "aarch64";
+      i486 = "i386";
+      i586 = "i386";
+      i686 = "i386";
+      armv6l = "arm";
+      armv7l = "arm";
+      powerpc = "powerpc";
+      powerpc64 = "powerpc";
+      powerpc64le = "powerpc";
+      riscv64 = "riscv";
+    }
+    .${stdenv'.hostPlatform.parsed.cpu.name} or stdenv'.hostPlatform.parsed.cpu.name;
+
+  mkBsdMachine =
     stdenv':
     {
       x86_64 = "amd64";
@@ -15,6 +49,12 @@
       i486 = "i386";
       i586 = "i386";
       i686 = "i386";
+      armv6l = "arm";
+      armv7l = "arm";
+      powerpc = "powerpc";
+      powerpc64 = "powerpc";
+      powerpc64le = "powerpc";
+      riscv64 = "riscv";
     }
     .${stdenv'.hostPlatform.parsed.cpu.name} or stdenv'.hostPlatform.parsed.cpu.name;
 
diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/compat/package.nix b/pkgs/os-specific/bsd/freebsd/pkgs/compat/package.nix
index 5865f93674e1..920c1effdc78 100644
--- a/pkgs/os-specific/bsd/freebsd/pkgs/compat/package.nix
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/compat/package.nix
@@ -14,7 +14,7 @@
 }:
 
 let
-  inherit (freebsd-lib) mkBsdArch;
+  inherit (freebsd-lib) mkBsdMachine;
 in
 
 mkDerivation {
@@ -81,7 +81,7 @@ mkDerivation {
       "sys/sys/elf64.h"
       "sys/sys/elf_common.h"
       "sys/sys/elf_generic.h"
-      "sys/${mkBsdArch stdenv}/include"
+      "sys/${mkBsdMachine stdenv}/include"
     ]
     ++ lib.optionals stdenv.hostPlatform.isx86 [ "sys/x86/include" ]
     ++ [
@@ -121,8 +121,8 @@ mkDerivation {
     ''
       NIX_CFLAGS_COMPILE+=' -I../../include -I../../sys'
 
-      cp ../../sys/${mkBsdArch stdenv}/include/elf.h ../../sys/sys
-      cp ../../sys/${mkBsdArch stdenv}/include/elf.h ../../sys/sys/${mkBsdArch stdenv}
+      cp ../../sys/${mkBsdMachine stdenv}/include/elf.h ../../sys/sys
+      cp ../../sys/${mkBsdMachine stdenv}/include/elf.h ../../sys/sys/${mkBsdMachine stdenv}
     ''
     + lib.optionalString stdenv.hostPlatform.isx86 ''
       cp ../../sys/x86/include/elf.h ../../sys/x86
diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/mkDerivation.nix b/pkgs/os-specific/bsd/freebsd/pkgs/mkDerivation.nix
index 19b4b1720304..aae852c48798 100644
--- a/pkgs/os-specific/bsd/freebsd/pkgs/mkDerivation.nix
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/mkDerivation.nix
@@ -65,9 +65,9 @@ lib.makeOverridable (
       # amd64 not x86_64 for this on unlike NetBSD
       MACHINE_ARCH = freebsd-lib.mkBsdArch stdenv';
 
-      MACHINE = freebsd-lib.mkBsdArch stdenv';
+      MACHINE = freebsd-lib.mkBsdMachine stdenv';
 
-      MACHINE_CPUARCH = MACHINE_ARCH;
+      MACHINE_CPUARCH = freebsd-lib.mkBsdCpuArch stdenv';
 
       COMPONENT_PATH = attrs.path or null;