diff --git a/Classes/Hook/FrontendEditingInitializationHook.php b/Classes/Hook/FrontendEditingInitializationHook.php
index accc527a..530b1d0c 100644
--- a/Classes/Hook/FrontendEditingInitializationHook.php
+++ b/Classes/Hook/FrontendEditingInitializationHook.php
@@ -468,9 +468,10 @@ protected function getPageTreeStructure(): array
             }
         }
 
+        $appsPagetreeRootIcon = $this->iconRegistry->getIconConfigurationByIdentifier('apps-pagetree-root');
         return [
             'name' => $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'],
-            'icon' => $this->getAbsolutePath('EXT:core/Resources/Public/Icons/T3Icons/apps/apps-pagetree-root.svg'),
+            'icon' => $this->getAbsolutePath($appsPagetreeRootIcon['options']['source']),
             'children' => $children
         ];
     }
diff --git a/Resources/Private/Partials/LeftBar.html b/Resources/Private/Partials/LeftBar.html
index ef086201..ff898461 100644
--- a/Resources/Private/Partials/LeftBar.html
+++ b/Resources/Private/Partials/LeftBar.html
@@ -13,33 +13,33 @@
 			<f:if condition="{pageNewUrl}">
 				<li>
 					<button type="#" class="btn t3-frontend-editing__page-new" data-url="{pageNewUrl}">
-						<fe:svg source="EXT:core/Resources/Public/Icons/T3Icons/actions/actions-page-new.svg"/>
+						<core:icon identifier="actions-page-new"/>
 					</button>
 				</li>
 			</f:if>
 			<f:if condition="{pageEditUrl}">
 				<li>
 					<button type="#" class="btn t3-frontend-editing__page-edit" data-url="{pageEditUrl}">
-						<fe:svg source="EXT:core/Resources/Public/Icons/T3Icons/actions/actions-page-open.svg"/>
+						<core:icon identifier="actions-page-open"/>
 					</button>
 				</li>
 			</f:if>
 			<li>
 				<button type="button" class="btn search-button">
-					<fe:svg source="EXT:core/Resources/Public/Icons/T3Icons/actions/actions-filter.svg"/>
+					<core:icon identifier="actions-filter"/>
 				</button>
 			</li>
 
 			<f:if condition="{mounts}">
 				<li>
 					<button type="button" class="btn site-root-button">
-						<fe:svg source="EXT:core/Resources/Public/Icons/T3Icons/apps/apps-pagetree-page-domain.svg"/>
+						<core:icon identifier="apps-pagetree-page-domain"/>
 					</button>
 				</li>
 			</f:if>
 			<li>
 				<button type="button" class="btn t3-frontend-editing__page-tree-refresh">
-					<fe:svg source="EXT:core/Resources/Public/Icons/T3Icons/actions/actions-refresh.svg"/>
+					<core:icon identifier="actions-refresh"/>
 				</button>
 			</li>
 		</ul>