diff --git a/lit-test/test/interleaving/pure_impure_tie.py b/lit-test/test/interleaving/pure_impure_tie.py
new file mode 100644
index 000000000..f2eab0502
--- /dev/null
+++ b/lit-test/test/interleaving/pure_impure_tie.py
@@ -0,0 +1,14 @@
+# RUN: %python -m artiq.compiler.testbench.jit %s >%t
+# RUN: OutputCheck %s --file-to-check=%t
+
+def f():
+    delay_mu(2)
+
+def g():
+    with parallel:
+        f()
+        delay_mu(2)
+    print(now_mu())
+
+# CHECK-L: 2
+g()