diff --git a/flake.nix b/flake.nix
index c58b75e..da66e8b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -85,6 +85,8 @@
           tailwindcss_4
           postgresql
         ];
+
+        rev = if builtins.hasAttr "rev" self then self.rev else self.dirtyRev;
       in
       rec {
         devShells.default = pkgs.mkShell {
@@ -104,6 +106,7 @@
 
           DAISYUI_PATH = "${daisyui}";
           DAISYUI_THEME_PATH = "${daisyui-theme}";
+          GIT_REV = rev;
 
           cargoLock.lockFile = ./Cargo.lock;