diff --git a/scripted-sbt-redux/src/main/scala/sbt/scriptedtest/ScriptedTests.scala b/scripted-sbt-redux/src/main/scala/sbt/scriptedtest/ScriptedTests.scala
index b0a653598..880d78098 100644
--- a/scripted-sbt-redux/src/main/scala/sbt/scriptedtest/ScriptedTests.scala
+++ b/scripted-sbt-redux/src/main/scala/sbt/scriptedtest/ScriptedTests.scala
@@ -140,6 +140,7 @@ final class ScriptedTests(
 
       def createTestRunners(tests: Seq[TestInfo]): Seq[TestRunner] = {
         tests
+          .sortBy(_._1)
           .grouped(batchSize)
           .map { batch => () =>
             IO.withTemporaryDirectory {