diff --git a/packages/stark-ui/src/modules/session-ui/effects/session-timeout-warning.effect.spec.ts b/packages/stark-ui/src/modules/session-ui/effects/session-timeout-warning.effect.spec.ts
index f70441890e..5eb424244a 100644
--- a/packages/stark-ui/src/modules/session-ui/effects/session-timeout-warning.effect.spec.ts
+++ b/packages/stark-ui/src/modules/session-ui/effects/session-timeout-warning.effect.spec.ts
@@ -90,7 +90,7 @@ describe("Effects: StarkSessionTimeoutWarningDialogEffects", () => {
 			expect(mockObserver.error).not.toHaveBeenCalled();
 			expect(mockObserver.complete).not.toHaveBeenCalled();
 			expect(mockDialogService.open).toHaveBeenCalledTimes(1);
-			expect(mockDialogService.open).toHaveBeenCalledWith(StarkSessionTimeoutWarningDialogComponent, { data: 20 });
+			expect(mockDialogService.open).toHaveBeenCalledWith(StarkSessionTimeoutWarningDialogComponent, { data: 20, disableClose: true });
 
 			expect(mockSessionService.resumeUserActivityTracking).not.toHaveBeenCalled();
 
diff --git a/packages/stark-ui/src/modules/session-ui/effects/session-timeout-warning.effects.ts b/packages/stark-ui/src/modules/session-ui/effects/session-timeout-warning.effects.ts
index 79fcd4806f..6f6287115c 100644
--- a/packages/stark-ui/src/modules/session-ui/effects/session-timeout-warning.effects.ts
+++ b/packages/stark-ui/src/modules/session-ui/effects/session-timeout-warning.effects.ts
@@ -39,7 +39,10 @@ export class StarkSessionTimeoutWarningDialogEffects implements OnRunEffects {
 			map((action: StarkSessionTimeoutCountdownStart) => {
 				this.sessionService.pauseUserActivityTracking();
 				this.dialogService
-					.open<StarkSessionTimeoutWarningDialogComponent>(StarkSessionTimeoutWarningDialogComponent, { data: action.countdown })
+					.open<StarkSessionTimeoutWarningDialogComponent>(StarkSessionTimeoutWarningDialogComponent, {
+						data: action.countdown,
+						disableClose: true
+					})
 					.afterClosed()
 					.subscribe((result: string) => {
 						if (result && result === "keep-logged") {