diff --git a/packages/frontend-embed/src/components/EmReactionsViewer.vue b/packages/frontend-embed/src/components/EmReactionsViewer.vue
index f5aa6bdc3f..583748abfa 100644
--- a/packages/frontend-embed/src/components/EmReactionsViewer.vue
+++ b/packages/frontend-embed/src/components/EmReactionsViewer.vue
@@ -43,8 +43,7 @@ watch([() => props.note.reactions, () => props.maxNumber], ([newSource, maxNumbe
 	for (let i = 0; i < reactions.value.length; i++) {
 		const reaction = reactions.value[i][0];
 		if (reaction in newSource && newSource[reaction] !== 0) {
-			reactions.value[i][1] = newSource[reaction];
-			newReactions.push(reactions.value[i]);
+			newReactions.push([reaction, newSource[reaction]]);
 		}
 	}
 
diff --git a/packages/frontend/src/components/MkReactionsViewer.vue b/packages/frontend/src/components/MkReactionsViewer.vue
index bd9ef50157..08a68a9564 100644
--- a/packages/frontend/src/components/MkReactionsViewer.vue
+++ b/packages/frontend/src/components/MkReactionsViewer.vue
@@ -86,8 +86,7 @@ watch([() => props.reactions, () => props.maxNumber], ([newSource, maxNumber]) =
 	for (let i = 0; i < _reactions.value.length; i++) {
 		const reaction = _reactions.value[i][0];
 		if (reaction in newSource && newSource[reaction] !== 0) {
-			_reactions.value[i][1] = newSource[reaction];
-			newReactions.push(_reactions.value[i]);
+			newReactions.push([reaction, newSource[reaction]]);
 		}
 	}