diff --git a/src/sky130_fd_pr.jl b/src/sky130_fd_pr.jl
new file mode 100644
index 00000000..d3d4effe
--- /dev/null
+++ b/src/sky130_fd_pr.jl
@@ -0,0 +1,5 @@
+module sky130_fd_pr
+	# ERROR: TODO: Maybe have a julia-side SPICE model registry also,
+	# to avoid requiring explicit .lib in the `.sp` files?
+	error("This is a SPICE model package, not a julia package. Don't attempt to load it like this.")
+end
\ No newline at end of file