diff --git a/default.nix b/default.nix
index 52b7829f..7c2a1295 100644
--- a/default.nix
+++ b/default.nix
@@ -6,12 +6,19 @@ let
       url = "https://github.com/NixOS/nixpkgs/archive/3c6f3f84af60a8ed5b8a79cf3026b7630fcdefb8.tar.gz";
       sha256 = "sha256:0jf9l6j60sa8cms7r4a02kr9j9884pwv1prf79b2ysnxmnhimnch";
     };
-  pkgs = args.pkgs or import nixpkgsSrc {};
+  pkgs = args.pkgs or (import nixpkgsSrc {});
   flake-compat =
     pkgs.fetchzip {
       url = "https://github.com/hamishmack/flake-compat/archive/ce16b21b8a5588aa8b532353d3ceea89a38b8e77.tar.gz";
       sha256 = "sha256:054nsfqh3wy6v6bjamw0k91xl8v1rc5x2laic8mphrkrhzvyz5hi";
     };
-  self = import flake-compat { src = ./.; inherit pkgs; };
+  self = import flake-compat {
+    # This is a workaround for https://github.com/edolstra/flake-compat/issues/25:
+    # If we're in pure-eval mode (signified by lack of builtins.currentSystem), then we
+    # bypass flake-compat's rootSrc cleaning by evading its detection of this as a git
+    # repo
+    src = if builtins ? currentSystem then ./. else { outPath = ./.; };
+    inherit pkgs;
+  };
 in self.defaultNix // (self.defaultNix.internal.compat
 ({ system = args.pkgs.system or builtins.currentSystem; } // args))