diff --git a/system/label.nix b/system/label.nix
index 36e5cd6..c54f773 100644
--- a/system/label.nix
+++ b/system/label.nix
@@ -8,7 +8,7 @@ let
   flakeRevCount = if (self ? revCount) then builtins.toString self.revCount else "";
   tagGit = "rev:" + flakeRev + ":" + flakeRevCount;
   tagMod = "mod:" + flakeMod;
-  label = tagGit + "_" + tagMod;
+  label = flakeRevCount + "-" + flakeRev;
 in
 {
   system.nixos.tags = [