diff --git a/src/app/core/services/poll.service.ts b/src/app/core/services/poll.service.ts
index 8bdd49d3..48cea048 100644
--- a/src/app/core/services/poll.service.ts
+++ b/src/app/core/services/poll.service.ts
@@ -47,7 +47,7 @@ export class PollService implements Resolve<Poll> {
 	public showDateInterval = false;
 	public allowSeveralHours = false;
 	public richTextMode = false;
-	public mode_calendar = true;
+	public mode_calendar = false;
 	public calendar: Date[] = [new Date()];
 	public disabled_dates: Date[] = [];
 
diff --git a/src/app/features/administration/form/steps/step-three/step-three.component.html b/src/app/features/administration/form/steps/step-three/step-three.component.html
index 2490e3fe..56a2fe7c 100644
--- a/src/app/features/administration/form/steps/step-three/step-three.component.html
+++ b/src/app/features/administration/form/steps/step-three/step-three.component.html
@@ -25,8 +25,10 @@
 	</div>
 
 	<div class="text-date-list" *ngIf="!pollService.mode_calendar">
-		<app-day-list [form]="pollService.form"></app-day-list>
-		<!--			[hasSeveralHours]="pollService.form.value.hasSeveralHours"-->
+		<app-day-list
+			[form]="pollService.form"
+			[hasSeveralHours]="environment.enable_several_hours && pollService.form.value.hasSeveralHours"
+		></app-day-list>
 	</div>
 </div>
 <app-nav-steps
diff --git a/src/app/features/administration/form/steps/step-three/step-three.component.ts b/src/app/features/administration/form/steps/step-three/step-three.component.ts
index 2725a0e0..2c75d637 100644
--- a/src/app/features/administration/form/steps/step-three/step-three.component.ts
+++ b/src/app/features/administration/form/steps/step-three/step-three.component.ts
@@ -14,6 +14,7 @@ export class StepThreeComponent implements OnInit {
 	step_max: any;
 	@Input()
 	form: any;
+	public environment = environment;
 
 	constructor(public pollService: PollService, private titleService: Title) {
 		this.pollService.step_current = 3;
diff --git a/src/environments/environment.ts b/src/environments/environment.ts
index e7148fa3..fba3be0f 100644
--- a/src/environments/environment.ts
+++ b/src/environments/environment.ts
@@ -38,6 +38,7 @@ export const environment = {
 	production: false,
 	showDemoWarning: false,
 	showStepperShortcuts: false,
+	enable_several_hours: false,
 
 	api: endpoints,
 	poll: poll_conf,