diff --git a/pkgs/lmbench/default.nix b/pkgs/lmbench/default.nix
index cfe23495..04ae9bd4 100644
--- a/pkgs/lmbench/default.nix
+++ b/pkgs/lmbench/default.nix
@@ -35,6 +35,8 @@ stdenv.mkDerivation rec {
       CFLAGS=-Wno-implicit-int
       CPPFLAGS=-I${libtirpc.dev}/include/tirpc
       LDFLAGS=-ltirpc
+      CC=$CC
+      AR=$AR
     )
   '';