diff --git a/nix/build.nix b/nix/build.nix
index 21ff060afb27b13e4fd11e142740ab587d9414d7..19df416a80d52be91f9c7a721e6724d3c0fcc0e6 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