diff --git a/pkg/cmd/roachtest/tests/perturbation/index_backfill.go b/pkg/cmd/roachtest/tests/perturbation/index_backfill.go
index d97ccf42f4d0..ee6d7e9c2bbd 100644
--- a/pkg/cmd/roachtest/tests/perturbation/index_backfill.go
+++ b/pkg/cmd/roachtest/tests/perturbation/index_backfill.go
@@ -8,6 +8,7 @@ package perturbation
 import (
 	"context"
 	"fmt"
+	"math"
 	"math/rand"
 	"time"
 
@@ -27,7 +28,9 @@ type backfill struct{}
 var _ perturbation = backfill{}
 
 func (b backfill) setup() variations {
-	v := setup(b, 40.0)
+	// TODO(baptist): Track down why this test causes stalls and drop the value
+	// to something more reasonable (like 5) once this is done.
+	v := setup(b, math.Inf(1))
 	return v
 }