diff --git a/String/CheckAnagram.js b/String/CheckAnagram.js
index 21ca1458d8..26c982f61f 100644
--- a/String/CheckAnagram.js
+++ b/String/CheckAnagram.js
@@ -6,11 +6,15 @@ const checkAnagram = (str1, str2) => {
 if (typeof str1 !== 'string' || typeof str2 !== 'string') {
 return 'Not string(s)'
 }
-
- // If both strings have not same lengths then they can not be anagram.
+ 
 if (str1.length !== str2.length) {
 return false
 }
+ 
+ // If both strings have not same lengths then they can not be anagrams
+ 
+ str1 = str1.toUpperCase();
+ str2 = str2.toUpperCase();
 
 // Use hashmap to keep count of characters in str1
 
@@ -35,8 +39,6 @@ const checkAnagram = (str1, str2) => {
 str1CharCount.set(str2[i], previousCount - 1)
 }
 
- // Now check if all entries in hashmap has zeros.
-
 for (const key in str1CharCount) {
 if (str1CharCount[key] !== 0) return false
 }
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