diff --git a/hosts/default.nix b/hosts/default.nix
index 8c2070b..5318f24 100644
--- a/hosts/default.nix
+++ b/hosts/default.nix
@@ -40,6 +40,8 @@ let
               nixflk.flake = self;
               nixpkgs.flake = master;
             };
+
+            system.configurationRevision = lib.mkIf (self ? rev) self.rev;
           };
 
           overrides = {