diff --git a/utils/app/codeblock.ts b/utils/app/codeblock.ts
index b76b206..d28c8aa 100644
--- a/utils/app/codeblock.ts
+++ b/utils/app/codeblock.ts
@@ -29,7 +29,7 @@ export const programmingLanguages: languageMap = {
   // add more file extensions here, make sure the key is same as language prop in CodeBlock.tsx component
 };
 
-export const generateRandomString = (length: Number, lowercase = false) => {
+export const generateRandomString = (length: number, lowercase = false) => {
   const chars = 'ABCDEFGHJKLMNPQRSTUVWXY3456789'; // excluding similar looking characters like Z, 2, I, 1, O, 0
   let result = '';
   for (let i = 0; i < length; i++) {