diff --git a/daml-script/runner/src/main/scala/com/digitalasset/daml/lf/engine/script/TestMain.scala b/daml-script/runner/src/main/scala/com/digitalasset/daml/lf/engine/script/TestMain.scala
index cf5c008f0f..ce237581b8 100644
--- a/daml-script/runner/src/main/scala/com/digitalasset/daml/lf/engine/script/TestMain.scala
+++ b/daml-script/runner/src/main/scala/com/digitalasset/daml/lf/engine/script/TestMain.scala
@@ -93,6 +93,7 @@ object TestMain extends StrictLogging {
           case None =>
             val (apiParameters, cleanup) = if (config.ledgerHost.isEmpty) {
               val sandboxConfig = SandboxConfig.default.copy(
+                port = 0, // Automatically choose a free port.
                 timeProviderType = config.timeProviderType
               )
               val sandbox = new SandboxServer(sandboxConfig)
diff --git a/daml-script/test/BUILD.bazel b/daml-script/test/BUILD.bazel
index d86fbac159..9be0b9a48e 100644
--- a/daml-script/test/BUILD.bazel
+++ b/daml-script/test/BUILD.bazel
@@ -136,7 +136,6 @@ sh_test(
         ":script-test.dar",
         "//daml-script/runner:test-runner",
     ],
-    tags = ["exclusive"],
     toolchains = ["@rules_sh//sh/posix:make_variables"],
     deps = ["@bazel_tools//tools/bash/runfiles"],
 )