diff --git a/fj.toml b/fj.toml
index bfbf4af0a..134e4ca75 100644
--- a/fj.toml
+++ b/fj.toml
@@ -5,3 +5,7 @@ default_path = "models"
 # The default models that is loaded, if none is specified. If this is a relative
 # path, it should be relative to `default_path`.
 default_model = "star"
+
+# The `target/` directory, where compiled model libraries are located. By
+# default, this is expected to be in the model directory.
+target_dir = "target"