diff --git a/src/main/scala/tilelink/Jbar.scala b/src/main/scala/tilelink/Jbar.scala
index 0adb2be8f44..c4ce2396fdc 100644
--- a/src/main/scala/tilelink/Jbar.scala
+++ b/src/main/scala/tilelink/Jbar.scala
@@ -76,4 +76,5 @@ class TLJbarTestImp(nClients: Int, nManagers: Int, txns: Int)(implicit p: Parame
 class TLJbarTest(nClients: Int, nManagers: Int, txns: Int = 5000, timeout: Int = 500000)(implicit p: Parameters) extends UnitTest(timeout) {
   val dut = Module(LazyModule(new TLJbarTestImp(nClients, nManagers, txns)).module)
   io.finished := dut.io.finished
+  dut.io.start := io.start
 }