diff --git a/src/shared.ts b/src/shared.ts
index 48061e8..c7f22eb 100644
--- a/src/shared.ts
+++ b/src/shared.ts
@@ -650,10 +650,10 @@ export async function BlockBlueVerified(user: BlueBlockerUser, config: Config) {
 		const disallowedWordsWithoutEmptyStrings = config.disallowedWords.filter(word => word !== '');
 		if (disallowedWordsWithoutEmptyStrings.length > 0){
 			// this makes extra sure that emojis are always detected, regardless if they are attached to a word or another string of emojis.
-			const regex = new RegExp(config.disallowedWords.join('|'));
-			const wordsInUserName = user.legacy.name.split(/\s+/);
+			const disallowedWordsAndEmojis = new RegExp(config.disallowedWords.join('|'), 'i');
+			const wordsInUserName = user.legacy.name.toLocaleLowerCase().split(/\s+/);
 			for (const word of wordsInUserName) {
-				if (regex.test(word)) {
+				if (disallowedWordsAndEmojis.test(word)) {
 					queueBlockUser(user, String(user.rest_id), ReasonDisallowedWordsOrEmojis);
 					console.log(logstr, `${config.mute ? 'muted' : 'blocked'} ${formattedUserName} for having disallowed words/emojis in their username.`);
 					return;