diff --git a/internal/zinc-benchmarks/src/test/scala/xsbt/GlobalBenchmarkSetup.scala b/internal/zinc-benchmarks/src/test/scala/xsbt/GlobalBenchmarkSetup.scala
index e7fd23f97..59eecf109 100644
--- a/internal/zinc-benchmarks/src/test/scala/xsbt/GlobalBenchmarkSetup.scala
+++ b/internal/zinc-benchmarks/src/test/scala/xsbt/GlobalBenchmarkSetup.scala
@@ -14,17 +14,16 @@ package xsbt
 import java.io.File
 
 import xsbt.BenchmarkProjects.{ Scalac, Shapeless }
-import scala.util.matching.Regex
 
 object GlobalBenchmarkSetup {
 
   /** Update this list every time you add a new benchmark. */
   val projects = Map("Scalac" -> Scalac, "Shapeless" -> Shapeless)
 
-  def runSetup(setupDir: File, pattern: Regex): (Int, String) = {
+  def runSetup(setupDir: File, pattern: String): (Int, String) = {
     val projectsPreparation = projects
       .filterKeys { _.matches(pattern) }
-      .map { (_, project) =>
+      .map { case (_, project) =>
         val benchmark = new ZincBenchmark(project)
         project -> benchmark.writeSetup(new File(setupDir, project.repo))
       }
@@ -50,7 +49,7 @@ object GlobalBenchmarkSetup {
       fail("Too many arguments. Pass the directory to host project setups.")
     else {
       val setupDir = new File(args(0))
-      val pattern = args(1).r
+      val pattern = if (args.length == 1) ".*" else args(1)
       val (exitCode, status) = runSetup(setupDir, pattern)
       println(status)
       println("The benchmark setup has finished.")