diff --git a/packages/frontend/src/components/MkContainer.vue b/packages/frontend/src/components/MkContainer.vue
index 3195377d60..f79d3418b2 100644
--- a/packages/frontend/src/components/MkContainer.vue
+++ b/packages/frontend/src/components/MkContainer.vue
@@ -172,6 +172,7 @@ onUnmounted(() => {
 	z-index: 2;
 	line-height: 1.4em;
 	background: color-mix(in srgb, var(--panelHeaderBg) 35%, transparent);
+	backdrop-filter: var(--blur, blur(15px));
 }
 
 .title {