diff --git a/includes/templates/TableOfContents__line.mustache b/includes/templates/TableOfContents__line.mustache
index 8c3d01e9..2d4a4778 100644
--- a/includes/templates/TableOfContents__line.mustache
+++ b/includes/templates/TableOfContents__line.mustache
@@ -5,7 +5,7 @@
 		<span class="sidebar-toc-numb">{{number}}</span>{{{line}}}</div>
 	</a>
 	{{#is-top-level-section}}{{#is-parent-section}}
-		<button aria-controls="toc-{{anchor}}-sublist" class="mw-ui-icon mw-ui-icon-wikimedia-downTriangle mw-ui-icon-small sidebar-toc-toggle">
+		<button aria-controls="toc-{{anchor}}-sublist" class="mw-ui-icon mw-ui-icon-wikimedia-expand mw-ui-icon-small sidebar-toc-toggle">
 			{{{vector-button-label}}}
 		</button>
 	{{/is-parent-section}}{{/is-top-level-section}}
diff --git a/skin.json b/skin.json
index bbd6dd56..1449f419 100644
--- a/skin.json
+++ b/skin.json
@@ -268,7 +268,7 @@
 				"logOut",
 				"imageGallery",
 				"userGroup",
-				"downTriangle"
+				"expand"
 			]
 		},
 		"skins.vector.es6": {
diff --git a/tests/jest/__snapshots__/tableOfContents.test.js.snap b/tests/jest/__snapshots__/tableOfContents.test.js.snap
index 6e5fa347..d8074455 100644
--- a/tests/jest/__snapshots__/tableOfContents.test.js.snap
+++ b/tests/jest/__snapshots__/tableOfContents.test.js.snap
@@ -24,7 +24,7 @@ exports[`Table of contents renders when \`vector-is-collapse-sections-enabled\`
 		<div class=\\"sidebar-toc-text\\">
 		<span class=\\"sidebar-toc-numb\\">2</span>bar</div>
 	</a>
-		<button aria-controls=\\"toc-bar-sublist\\" class=\\"mw-ui-icon mw-ui-icon-wikimedia-downTriangle mw-ui-icon-small sidebar-toc-toggle\\" aria-expanded=\\"true\\">
+		<button aria-controls=\\"toc-bar-sublist\\" class=\\"mw-ui-icon mw-ui-icon-wikimedia-expand mw-ui-icon-small sidebar-toc-toggle\\" aria-expanded=\\"true\\">
 			Toggle bar subsection
 		</button>
 	<ul id=\\"toc-bar-sublist\\" class=\\"sidebar-toc-list\\">
@@ -83,7 +83,7 @@ exports[`Table of contents renders when \`vector-is-collapse-sections-enabled\`
 		<div class=\\"sidebar-toc-text\\">
 		<span class=\\"sidebar-toc-numb\\">2</span>bar</div>
 	</a>
-		<button aria-controls=\\"toc-bar-sublist\\" class=\\"mw-ui-icon mw-ui-icon-wikimedia-downTriangle mw-ui-icon-small sidebar-toc-toggle\\" aria-expanded=\\"false\\">
+		<button aria-controls=\\"toc-bar-sublist\\" class=\\"mw-ui-icon mw-ui-icon-wikimedia-expand mw-ui-icon-small sidebar-toc-toggle\\" aria-expanded=\\"false\\">
 			Toggle bar subsection
 		</button>
 	<ul id=\\"toc-bar-sublist\\" class=\\"sidebar-toc-list\\">