diff --git a/overlays/reticulum.nix b/overlays/reticulum.nix
index e2052d7..e0818a0 100644
--- a/overlays/reticulum.nix
+++ b/overlays/reticulum.nix
@@ -1,4 +1,5 @@
 final: prev: let
+  inherit (final.lib) optionalAttrs;
   python3 = final.python3;
   pyPkgs = python3.pkgs;
 in {
@@ -78,8 +79,9 @@ in {
       platforms = platforms.linux;
     };
   };
-
-  # meshtastic requires tabulate < 0.10.0 but nixpkgs has 0.10.0
+}
+# meshtastic may not be in all nixpkgs versions (not in 25.11 stable)
+// optionalAttrs (builtins.hasAttr "meshtastic" prev) {
   meshtastic = prev.meshtastic.overrideAttrs (old: {
     dontCheckRuntimeDeps = true;
   });