diff --git a/projects/ucap-webmessenger-app/src/app/pages/messenger/components/main.page.component.html b/projects/ucap-webmessenger-app/src/app/pages/messenger/components/main.page.component.html
index 31f2f69d..b1d678d4 100644
--- a/projects/ucap-webmessenger-app/src/app/pages/messenger/components/main.page.component.html
+++ b/projects/ucap-webmessenger-app/src/app/pages/messenger/components/main.page.component.html
@@ -36,7 +36,11 @@
         (mouseover)="onMouseOverLeftDrawerIndicator($event)"
         (mouseleave)="onMouseLeaveLeftDrawerIndicator($event)"
       >
-        <mat-icon>settings</mat-icon>
+        <span
+          class="mdi"
+          [class.mdi-greater-than]="!showLeftDrawer"
+          [class.mdi-less-than]="showLeftDrawer"
+        ></span>
       </button>
     </div>
     <mat-drawer