diff --git a/main.go b/main.go
index a934c3e..7de32f6 100644
--- a/main.go
+++ b/main.go
@@ -58,6 +58,7 @@ var (
 	spannerdb          string
 	spannercanceltable string
 	preprocesshook     string
+	skipNotif          bool
 
 	verbose bool
 )
@@ -970,6 +971,7 @@ func runCmd() *cobra.Command {
 	cmd.Flags().StringVar(&scenariopubsub, "scenario-pubsub", os.Getenv("SCENARIO_PUBSUB"), "pubsub subscription for scenario progress (e.g. oopsnext-scenarios)")
 	cmd.Flags().StringVar(&spannerdb, "spanner-db", os.Getenv("SPANNER_DB"), "Spanner DB path for cancel checks")
 	cmd.Flags().StringVar(&spannercanceltable, "spanner-cancel-table", os.Getenv("SPANNER_CANCEL_TABLE"), "Spanner table name for cancel checks")
+	cmd.Flags().BoolVar(&skipNotif, "skip-result-notif", false, "skip result Slack notification")
 	return cmd
 }
 
@@ -991,6 +993,7 @@ func init() {
 	rootcmd.PersistentFlags().StringSliceVarP(&tags, "tags", "t", tags, "key=value labels in scenario files that are allowed to run, empty means all")
 	rootcmd.PersistentFlags().StringVar(&githubtoken, "github-token", "", "GitHub token for commit status updates")
 	rootcmd.PersistentFlags().StringVar(&preprocesshook, "pre-process-hook", preprocesshook, "executable to run before processing each scenario, with the scenario file path as argument")
+	rootcmd.PersistentFlags().BoolVar(&skipNotif, "skip-result-notif", false, "skip result Slack notification")
 	rootcmd.AddCommand(runCmd())
 }
 
diff --git a/scenario.go b/scenario.go
index 0d1dafd..482c9e2 100644
--- a/scenario.go
+++ b/scenario.go
@@ -415,23 +415,23 @@ func doScenario(in *doScenarioInput) error {
 			continue
 		}
 
-		if in.ReportSlack != "" && len(s.errs) > 0 {
-				payload := SlackMessage{
-					Attachments: []SlackAttachment{
-						{
-							Color:     "danger",
-							Title:     fmt.Sprintf("%v - failure", filepath.Base(f)),
-							Text:      fmt.Sprintf("Maintainers: %v\n%v", strings.Join(s.Maintainers, ", "), s.errs),
-							Footer:    "oops",
-							Timestamp: time.Now().Unix(),
-							MrkdwnIn:  []string{"text"},
-						},
+		if in.ReportSlack != "" && !skipNotif && len(s.errs) > 0 {
+			payload := SlackMessage{
+				Attachments: []SlackAttachment{
+					{
+						Color:     "danger",
+						Title:     fmt.Sprintf("%v - failure", filepath.Base(f)),
+						Text:      fmt.Sprintf("Maintainers: %v\n%v", strings.Join(s.Maintainers, ", "), s.errs),
+						Footer:    "oops",
+						Timestamp: time.Now().Unix(),
+						MrkdwnIn:  []string{"text"},
 					},
-				}
+				},
+			}
 
-				err = payload.Notify(in.ReportSlack)
-				if err != nil {
-					log.Printf("Notify (slack) failed: %v", err)
+			err = payload.Notify(in.ReportSlack)
+			if err != nil {
+				log.Printf("Notify (slack) failed: %v", err)
 			}
 		}