diff --git a/projects/addon-mobile/components/mobile-calendar/mobile-calendar.component.ts b/projects/addon-mobile/components/mobile-calendar/mobile-calendar.component.ts
index 07fa0ac72d18..a4bf2b308a0c 100644
--- a/projects/addon-mobile/components/mobile-calendar/mobile-calendar.component.ts
+++ b/projects/addon-mobile/components/mobile-calendar/mobile-calendar.component.ts
@@ -329,7 +329,7 @@ export class TuiMobileCalendar implements AfterViewInit {
         );
     }
 
-    private isMultiValue(day: any): day is readonly TuiDay[] | undefined {
+    private isMultiValue(day: unknown): day is readonly TuiDay[] | undefined {
         return !(day instanceof TuiDay) && !(day instanceof TuiDayRange) && this.multi;
     }