1 files changed, 8 insertions, 3 deletions
diff --git a/packages/utils/src/address_utils.ts b/packages/utils/src/address_utils.ts
index f94985441..e25bde249 100644
--- a/packages/utils/src/address_utils.ts
+++ b/packages/utils/src/address_utils.ts
@@ -9,11 +9,16 @@ export const addressUtils = {
         const unprefixedAddress = address.replace('0x', '');
         const addressHash = jsSHA3.keccak256(unprefixedAddress.toLowerCase());
 
-        for (let i = 0; i < 40; i++) {
+        const addressLength = 40;
+        for (let i = 0; i < addressLength; i++) {
             // The nth letter should be uppercase if the nth digit of casemap is 1
+            const hexBase = 16;
+            const lowercaseRange = 7;
             if (
-                (parseInt(addressHash[i], 16) > 7 && unprefixedAddress[i].toUpperCase() !== unprefixedAddress[i]) ||
-                (parseInt(addressHash[i], 16) <= 7 && unprefixedAddress[i].toLowerCase() !== unprefixedAddress[i])
+                (parseInt(addressHash[i], hexBase) > lowercaseRange &&
+                    unprefixedAddress[i].toUpperCase() !== unprefixedAddress[i]) ||
+                (parseInt(addressHash[i], hexBase) <= lowercaseRange &&
+                    unprefixedAddress[i].toLowerCase() !== unprefixedAddress[i])
             ) {
                 return false;
             }