diff --git a/package-lock.json b/package-lock.json
index 8e74b3cd44..0652151e29 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4126,7 +4126,9 @@
       "license": "Apache-2.0"
     },
     "node_modules/bignumber.js": {
-      "version": "9.1.2",
+      "version": "9.3.0",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.3.0.tgz",
+      "integrity": "sha512-EM7aMFTXbptt/wZdMlBv2t8IViwQL+h6SLHosp8Yf0dqJMTnY6iL32opnAB6kAdL0SZPuvcAzFr31o0c/R3/RA==",
       "license": "MIT",
       "engines": {
         "node": "*"
diff --git a/packages/xrpl/src/Wallet/signer.ts b/packages/xrpl/src/Wallet/signer.ts
index 126e629cd7..81c8ae6707 100644
--- a/packages/xrpl/src/Wallet/signer.ts
+++ b/packages/xrpl/src/Wallet/signer.ts
@@ -137,8 +137,10 @@ function getTransactionWithAllSigners(
  * @returns 1 if left \> right, 0 if left = right, -1 if left \< right, and null if left or right are NaN.
  */
 function compareSigners(left: Signer, right: Signer): number {
-  return addressToBigNumber(left.Signer.Account).comparedTo(
-    addressToBigNumber(right.Signer.Account),
+  return (
+    addressToBigNumber(left.Signer.Account).comparedTo(
+      addressToBigNumber(right.Signer.Account),
+    ) ?? 0
   )
 }
 
diff --git a/packages/xrpl/src/sugar/getOrderbook.ts b/packages/xrpl/src/sugar/getOrderbook.ts
index 285a9d8f28..51a9fae494 100644
--- a/packages/xrpl/src/sugar/getOrderbook.ts
+++ b/packages/xrpl/src/sugar/getOrderbook.ts
@@ -17,7 +17,7 @@ function sortOffers(offers: BookOffer[]): BookOffer[] {
     const qualityA = offerA.quality ?? 0
     const qualityB = offerB.quality ?? 0
 
-    return new BigNumber(qualityA).comparedTo(qualityB)
+    return new BigNumber(qualityA).comparedTo(qualityB) ?? 0
   })
 }