diff --git a/packages/frontend/src/components/DynamicNote.vue b/packages/frontend/src/components/DynamicNote.vue
index 985831d2f8..10f4ea36cf 100644
--- a/packages/frontend/src/components/DynamicNote.vue
+++ b/packages/frontend/src/components/DynamicNote.vue
@@ -58,6 +58,7 @@ function onExpandNote(note: Misskey.entities.Note) {
 			user: {
 				[note.user.id]: {
 					userMandatoryCW: null,
+					isSilenced: false,
 				},
 			},
 			instance: {
diff --git a/packages/frontend/src/components/SkUrlPreviewGroup.vue b/packages/frontend/src/components/SkUrlPreviewGroup.vue
index a22c5d8050..ea7ab34ef2 100644
--- a/packages/frontend/src/components/SkUrlPreviewGroup.vue
+++ b/packages/frontend/src/components/SkUrlPreviewGroup.vue
@@ -89,6 +89,7 @@ function onExpandNote(note: Misskey.entities.Note) {
 		user: {
 			[note.user.id]: {
 				userMandatoryCW: null,
+				isSilenced: false,
 			},
 		},
 		instance: {
diff --git a/packages/frontend/src/components/page/page.block.vue b/packages/frontend/src/components/page/page.block.vue
index 8e60a95c6b..252b310231 100644
--- a/packages/frontend/src/components/page/page.block.vue
+++ b/packages/frontend/src/components/page/page.block.vue
@@ -60,6 +60,7 @@ function onExpandNote(note: Misskey.entities.Note) {
 		user: {
 			[note.user.id]: {
 				userMandatoryCW: null,
+				isSilenced: false,
 			},
 		},
 		instance: {
diff --git a/packages/frontend/src/pages/user/home.vue b/packages/frontend/src/pages/user/home.vue
index 241bdcd579..b49440d6a3 100644
--- a/packages/frontend/src/pages/user/home.vue
+++ b/packages/frontend/src/pages/user/home.vue
@@ -267,6 +267,7 @@ function onExpandMute(note: Misskey.entities.Note) {
 				[props.user.id]: {
 					userMandatoryCW: null,
 					instanceMandatoryCW: null,
+					isSilenced: false,
 				},
 			},
 		});