diff --git a/nixos/modules/programs/nix-ld.nix b/nixos/modules/programs/nix-ld.nix
index 770cccd13b50..edfe7f1f6a3e 100644
--- a/nixos/modules/programs/nix-ld.nix
+++ b/nixos/modules/programs/nix-ld.nix
@@ -34,7 +34,7 @@ in
 
     environment.pathsToLink = [ "/share/nix-ld" ];
 
-    environment.variables = {
+    environment.sessionVariables = {
       NIX_LD = "/run/current-system/sw/share/nix-ld/lib/ld.so";
       NIX_LD_LIBRARY_PATH = "/run/current-system/sw/share/nix-ld/lib";
     };