diff --git a/pkgs/os-specific/darwin/apple-source-releases/default.nix b/pkgs/os-specific/darwin/apple-source-releases/default.nix
index 3636b6e3763c..df47d53514ab 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/default.nix
@@ -293,7 +293,9 @@ developerToolsPackages_11_3_1 // macosPackages_11_0_1 // {
     diskdev_cmds    = applePackage "diskdev_cmds"      "osx-10.11.6"     "1ssdyiaq5m1zfy96yy38yyknp682ki6bvabdqd5z18fa0rv3m2ar" {
       macosPackages_11_0_1 = macosPackages_11_0_1;
     };
-    network_cmds    = applePackage "network_cmds"      "osx-10.11.6"     "0lhi9wz84qr1r2ab3fb4nvmdg9gxn817n5ldg7zw9gnf3wwn42kw" {};
+    network_cmds    = if stdenv.isx86_64 then
+      applePackage "network_cmds" "osx-10.11.6" "0lhi9wz84qr1r2ab3fb4nvmdg9gxn817n5ldg7zw9gnf3wwn42kw" {}
+    else macosPackages_11_0_1.network_cmds;
     file_cmds       = applePackage "file_cmds"         "osx-10.11.6"     "1zfxbmasps529pnfdjvc13p7ws2cfx8pidkplypkswyff0nff4wp" {};
     shell_cmds      = applePackage "shell_cmds"        "osx-10.11.6"     "0084k271v66h4jqp7q7rmjvv7w4mvhx3aq860qs8jbd30canm86n" {};
     system_cmds     = applePackage "system_cmds"       "osx-10.11.6"     "1h46j2c5v02pkv5d9fyv6cpgyg0lczvwicrx6r9s210cl03l77jl" {};
diff --git a/pkgs/os-specific/darwin/apple-source-releases/network_cmds/default.nix b/pkgs/os-specific/darwin/apple-source-releases/network_cmds/default.nix
index 2c93ad38b325..9a95eb04e6ef 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/network_cmds/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/network_cmds/default.nix
@@ -1,11 +1,13 @@
-{ lib, appleDerivation, xcbuildHook
+{ lib, appleDerivation, xcbuildHook, stdenv
 , libressl_3_4, Librpcsvc, xnu, libpcap, developer_cmds }:
 
 appleDerivation {
   nativeBuildInputs = [ xcbuildHook ];
   buildInputs = [ libressl_3_4 xnu Librpcsvc libpcap developer_cmds ];
 
-  NIX_CFLAGS_COMPILE = " -I./unbound -I${xnu}/Library/Frameworks/System.framework/Headers/";
+  # Work around error from <stdio.h> on aarch64-darwin:
+  #     error: 'TARGET_OS_IPHONE' is not defined, evaluates to 0 [-Werror,-Wundef-prefix=TARGET_OS_]
+  NIX_CFLAGS_COMPILE = "-Wno-error=undef-prefix -I./unbound -I${xnu}/Library/Frameworks/System.framework/Headers/";
 
   # "spray" requires some files that aren't compiling correctly in xcbuild.
   # "rtadvd" seems to fail with some missing constants.
@@ -16,6 +18,10 @@ appleDerivation {
       --replace "7216D34D0EE89FEC00AE70E4 /* PBXTargetDependency */," "" \
       --replace "72CD1D9C0EE8C47C005F825D /* PBXTargetDependency */," "" \
       --replace "7216D2C20EE89ADF00AE70E4 /* PBXTargetDependency */," ""
+  '' + lib.optionalString stdenv.isAarch64 ''
+    # "unbound" does not build on aarch64
+    substituteInPlace network_cmds.xcodeproj/project.pbxproj \
+      --replace "71D958C51A9455A000C9B286 /* PBXTargetDependency */," ""
   '';
 
   # temporary install phase until xcodebuild has "install" support