diff --git a/packages/client/src/components/MkInstanceTicker.vue b/packages/client/src/components/MkInstanceTicker.vue
index e7cd9547b..625cf86f2 100644
--- a/packages/client/src/components/MkInstanceTicker.vue
+++ b/packages/client/src/components/MkInstanceTicker.vue
@@ -4,7 +4,6 @@
 		v-tooltip="capitalize(instance.softwareName)"
 		ref="ticker"
 		:style="bg"
-		@click.stop="os.pageWindow(instanceInfoUrl)"
 	>
 		<img class="icon" :src="getInstanceIcon(instance)" aria-hidden="true" />
 		<span class="name">{{ instance.name }}</span>
@@ -15,7 +14,6 @@
 import { instanceName } from "@/config";
 import { instance as Instance } from "@/instance";
 import { getProxiedImageUrlNullable } from "@/scripts/media-proxy";
-import * as os from "@/os";
 
 const props = defineProps<{
 	instance?: {
diff --git a/packages/client/src/components/MkNoteHeader.vue b/packages/client/src/components/MkNoteHeader.vue
index 0271c7ab0..877fefa58 100644
--- a/packages/client/src/components/MkNoteHeader.vue
+++ b/packages/client/src/components/MkNoteHeader.vue
@@ -41,6 +41,7 @@
 					class="ticker"
 					:instance="note.user.instance"
 					:host="note.user.host"
+					@click.stop="openServerInfo"
 				/>
 			</div>
 		</div>
@@ -56,10 +57,12 @@ import MkInstanceTicker from "@/components/MkInstanceTicker.vue";
 import { notePage } from "@/filters/note";
 import { userPage } from "@/filters/user";
 import { i18n } from "@/i18n";
+import { pageWindow } from "@/os";
 
 const props = defineProps<{
 	note: misskey.entities.Note;
 	pinned?: boolean;
+	canOpenServerInfo?: boolean;
 }>();
 
 let note = $ref(props.note);
@@ -67,6 +70,13 @@ let note = $ref(props.note);
 const showTicker =
 	defaultStore.state.instanceTicker === "always" ||
 	(defaultStore.state.instanceTicker === "remote" && note.user.instance);
+
+function openServerInfo() {
+	if (props.canOpenServerInfo && !defaultStore.state.openServerInfo || !note.value.user.instance) return;
+	const instanceInfoUrl =
+		props.host == null ? "/about" : `/instance-info/${note.value.user.instance}`;
+	pageWindow(instanceInfoUrl);
+}
 </script>
 
 <style lang="scss" scoped>