1 files changed, 8 insertions, 2 deletions
diff --git a/third_party/lisp/trivial-mimes.nix b/third_party/lisp/trivial-mimes.nix
index c4b21045c5f4..ce45993d05e9 100644
--- a/third_party/lisp/trivial-mimes.nix
+++ b/third_party/lisp/trivial-mimes.nix
@@ -10,14 +10,20 @@ let
 
   mime-types = pkgs.runCommand "mime-types.lisp" {} ''
     substitute ${src}/mime-types.lisp $out \
-      --replace /etc/mime.types ${src}/mime.types
+      --replace /etc/mime.types ${src}/mime.types \
+      --replace "(asdf:system-source-directory :trivial-mimes)" '"/bogus-dir"'
+      # We want to prevent an ASDF lookup at build time since this will
+      # generally fail — we are not using ASDF after all.
   '';
 
 in depot.nix.buildLisp.library {
   name = "trivial-mimes";
 
   deps = [
-    (depot.nix.buildLisp.bundled "uiop")
+    {
+      sbcl = depot.nix.buildLisp.bundled "uiop";
+      default = depot.nix.buildLisp.bundled "asdf";
+    }
   ];
 
   srcs = [ mime-types ];