diff --git a/tests/regres/cmd/regres/main.go b/tests/regres/cmd/regres/main.go
index ca08d7c..6f014a3 100644
--- a/tests/regres/cmd/regres/main.go
+++ b/tests/regres/cmd/regres/main.go
@@ -90,7 +90,7 @@
 	githubPass      = flag.String("gh-pass", "$SS_GITHUB_PASS", "github password for posting coverage results")
 	keepCheckouts   = flag.Bool("keep", false, "don't delete checkout directories after use")
 	dryRun          = flag.Bool("dry", false, "don't post regres reports to gerrit")
-	maxTestsPerProc = flag.Int("max-tests-per-proc", 1, "maximum number of tests running in a single process")
+	maxTestsPerProc = flag.Int("max-tests-per-proc", 100, "maximum number of tests running in a single process")
 	maxProcMemory   = flag.Uint64("max-proc-mem", shell.MaxProcMemory, "maximum virtual memory per child process")
 	dailyNow        = flag.Bool("dailynow", false, "Start by running the daily pass")
 	dailyOnly       = flag.Bool("dailyonly", false, "Run only the daily pass")