diff --git a/src/app/@core/utils/layout.service.ts b/src/app/@core/utils/layout.service.ts
index 6854fd32..2a8fb82d 100644
--- a/src/app/@core/utils/layout.service.ts
+++ b/src/app/@core/utils/layout.service.ts
@@ -1,20 +1,20 @@
 import { Injectable } from '@angular/core';
 import { Observable, Subject } from 'rxjs';
-import { delay, share } from 'rxjs/operators';
+import { delay, shareReplay } from 'rxjs/operators';
 
 @Injectable()
 export class LayoutService {
 
   protected layoutSize$ = new Subject();
+  protected layoutSizeChange$ = this.layoutSize$.pipe(
+    shareReplay({ refCount: true }),
+  );
 
   changeLayoutSize() {
     this.layoutSize$.next();
   }
 
   onChangeLayoutSize(): Observable<any> {
-    return this.layoutSize$.pipe(
-      share(),
-      delay(1),
-    );
+    return this.layoutSizeChange$.pipe(delay(1));
   }
 }