diff --git a/pkgs/by-name/ti/timemachine/package.nix b/pkgs/by-name/ti/timemachine/package.nix
index 53a088d01167..72f4afa55e41 100644
--- a/pkgs/by-name/ti/timemachine/package.nix
+++ b/pkgs/by-name/ti/timemachine/package.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   preConfigure = "./autogen.sh";
 
-  NIX_LDFLAGS = "-lm";
+  env.NIX_LDFLAGS = "-lm";
 
   meta = {
     description = "JACK audio recorder";