diff --git a/nix/packages/by-name/ai_blocklist/package.nix b/nix/packages/by-name/ai_blocklist/package.nix
index c967b129..d0b324e9 100644
--- a/nix/packages/by-name/ai_blocklist/package.nix
+++ b/nix/packages/by-name/ai_blocklist/package.nix
@@ -3,17 +3,14 @@
   stdenvNoCC,
   lib,
 }:
-let
-  rev = "9bb188e2701138e03f73bacebd6b19b181ca0012";
-in
-stdenvNoCC.mkDerivation {
+stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "ai_blocklist";
-  version = "unstable-" + lib.substring 0 8 rev;
+  version = "unstable-" + lib.substring 0 8 finalAttrs.src.rev;
 
   src = fetchFromGitHub {
     owner = "laylavish";
     repo = "uBlockOrigin-HUGE-AI-Blocklist";
-    inherit rev;
+    rev = "9bb188e2701138e03f73bacebd6b19b181ca0012";
     hash = "sha256-p3wfR28DH6V8BHn9DT10d09Yq3mdbBecWwlR1CdDYUA=";
   };
 
@@ -29,4 +26,4 @@ stdenvNoCC.mkDerivation {
     cat $out/share/hosts.txt |
       sed 's/^0.0.0.0 //' > $out/share/domains.txt
   '';
-}
+})