diff --git a/packages/client/src/scripts/check-word-mute.ts b/packages/client/src/scripts/check-word-mute.ts
index 74e258186..fa74c0993 100644
--- a/packages/client/src/scripts/check-word-mute.ts
+++ b/packages/client/src/scripts/check-word-mute.ts
@@ -7,7 +7,11 @@ export function checkWordMute(note: Record<string, any>, me: Record<string, any>
 
 		const matched = mutedWords.some(filter => {
 			if (Array.isArray(filter)) {
-				return filter.every(keyword => note.text!.includes(keyword));
+				// Clean up
+				const filteredFilter = filter.filter(keyword => keyword !== '');
+				if (filteredFilter.length === 0) return false;
+
+				return filteredFilter.every(keyword => note.text!.includes(keyword));
 			} else {
 				// represents RegExp
 				const regexp = filter.match(/^\/(.+)\/(.*)$/);