diff --git a/nix/build.nix b/nix/build.nix
index 21ff060afb..19df416a80 100644
--- a/nix/build.nix
+++ b/nix/build.nix
@@ -191,6 +191,8 @@ let
             wayland
           ]
         }";
+
+        NIX_OUTPATH_USED_AS_RANDOM_SEED = "norebuilds";
       };
 
       # prevent nix from removing the "unused" wayland/gpu-lib rpaths