diff --git a/tasks.py b/tasks.py
index edf25fc..3e7837f 100644
--- a/tasks.py
+++ b/tasks.py
@@ -182,7 +182,7 @@ def synth(c, target):
 def test(c, target):
     for target in expand_test_target(target):
         out_info, out_sim, out_bsc = ensure_build_dirs(target, "info", "sim", "bsc")
-        c.run(f"bsc -show-schedule -aggressive-conditions -check-assert -u -sim -info-dir {out_info} -simdir {out_sim} -bdir {out_bsc} -g mkTB -p {target.parent}:lib:%/Libraries {target}")
+        c.run(f"bsc -show-schedule -aggressive-conditions -check-assert -u -sim -info-dir {out_info} -simdir {out_sim} -bdir {out_bsc} -g mkTB -p {target.parent}:lib:sim:%/Libraries {target}")
         exec = out_sim / "TB"
         c.run(f"bsc -p {out_bsc} -sim -simdir {out_sim} -e mkTB -o {exec}")
         testdata = out_sim / "testdata"