diff --git a/app/vminsert/netstorage/netstorage_test.go b/app/vminsert/netstorage/netstorage_test.go
index 0a3ce9e38d..5d670c9a4a 100644
--- a/app/vminsert/netstorage/netstorage_test.go
+++ b/app/vminsert/netstorage/netstorage_test.go
@@ -1,11 +1,15 @@
 package netstorage
 
 import (
+	"flag"
 	"runtime"
 	"testing"
 )
 
 func TestInitStopNodes(t *testing.T) {
+	if err := flag.Set("vmstorageDialTimeout", "1ms"); err != nil {
+		t.Fatalf("cannot set vmstorageDialTimeout flag: %s", err)
+	}
 	for i := 0; i < 3; i++ {
 		Init([]string{"host1", "host2"}, 0)
 		runtime.Gosched()
diff --git a/app/vmselect/netstorage/netstorage_test.go b/app/vmselect/netstorage/netstorage_test.go
index 19d05060e6..364ca55947 100644
--- a/app/vmselect/netstorage/netstorage_test.go
+++ b/app/vmselect/netstorage/netstorage_test.go
@@ -1,12 +1,16 @@
 package netstorage
 
 import (
+	"flag"
 	"reflect"
 	"runtime"
 	"testing"
 )
 
 func TestInitStopNodes(t *testing.T) {
+	if err := flag.Set("vmstorageDialTimeout", "1ms"); err != nil {
+		t.Fatalf("cannot set vmstorageDialTimeout flag: %s", err)
+	}
 	for i := 0; i < 3; i++ {
 		Init([]string{"host1", "host2"})
 		runtime.Gosched()