diff --git a/packages/utils/saferKorean.ts b/packages/utils/saferKorean.ts
index b83f9bf..c94103d 100644
--- a/packages/utils/saferKorean.ts
+++ b/packages/utils/saferKorean.ts
@@ -273,7 +273,7 @@ export function saferKorean(input: string): string {
             mod = SIPrefix[mod.toLowerCase() as keyof typeof SIPrefix];
             return `${num} ${mod}바이트 `;
         })
-        .replace(/([\d,]+)([m]?)l\s/g, (_, num: string, mod: string) => {
+        .replace(/([\d,]+)([m]?)[lL]\s/g, (_, num: string, mod: string) => {
             // 10l => 십리터
             num = IntegerKorean.convertFromString(num);
             mod = LiterPrefix[mod as keyof typeof LiterPrefix];