diff --git a/pkgs/tools/networking/iperf/2.nix b/pkgs/tools/networking/iperf/2.nix
index 82c1ba34f14..9831a4f4f7d 100644
--- a/pkgs/tools/networking/iperf/2.nix
+++ b/pkgs/tools/networking/iperf/2.nix
@@ -12,6 +12,8 @@ stdenv.mkDerivation rec {
   hardeningDisable = [ "format" ];
   configureFlags = [ "--enable-fastsampling" ];
 
+  makeFlags = [ "AR:=$(AR)" ];
+
   postInstall = ''
     mv $out/bin/iperf $out/bin/iperf2
     ln -s $out/bin/iperf2 $out/bin/iperf