diff --git a/libraries/key-identifier/__tests__/key-identifier.test.js b/libraries/key-identifier/__tests__/key-identifier.test.js
index a3bd8671..34bb6908 100644
--- a/libraries/key-identifier/__tests__/key-identifier.test.js
+++ b/libraries/key-identifier/__tests__/key-identifier.test.js
@@ -200,6 +200,26 @@ describe('KeyIdentifier', () => {
       expect(KeyIdentifier.compare(keyIdA, keyIdB)).toBe(false)
       expect(KeyIdentifier.compare('not-an-object', keyIdB)).toBe(false)
     })
+
+    it('should return false when key identifier A is null', () => {
+      const keyIdA = new KeyIdentifier({
+        derivationAlgorithm: 'BIP32',
+        assetName: 'ethereum',
+        derivationPath: "m/44'/60'/0'/0/0",
+      })
+
+      expect(KeyIdentifier.compare(keyIdA, null)).toBe(false)
+    })
+
+    it('should return false when key identifier B is null', () => {
+      const keyIdB = new KeyIdentifier({
+        derivationAlgorithm: 'BIP32',
+        assetName: 'ethereum',
+        derivationPath: "m/44'/60'/0'/0/0",
+      })
+
+      expect(KeyIdentifier.compare(null, keyIdB)).toBe(false)
+    })
   })
 
   describe('.toString()', () => {
diff --git a/libraries/key-identifier/src/key-identifier.js b/libraries/key-identifier/src/key-identifier.js
index 0c5f331b..a0c1769a 100644
--- a/libraries/key-identifier/src/key-identifier.js
+++ b/libraries/key-identifier/src/key-identifier.js
@@ -90,12 +90,19 @@ export default class KeyIdentifier {
   }
 
   static compare = (keyIdA, keyIdB) => {
-    if (typeof keyIdA !== 'object' || typeof keyIdB !== 'object') {
+    if (
+      typeof keyIdA !== 'object' ||
+      typeof keyIdB !== 'object' ||
+      [keyIdA, keyIdB].includes(null)
+    ) {
       return false
     }
 
     return !['derivationAlgorithm', 'derivationPath', 'assetName', 'keyType'].some(
-      (fieldName) => keyIdA[fieldName] !== keyIdB[fieldName]
+      (fieldName) =>
+        Object.prototype.hasOwnProperty.call(keyIdA, fieldName) &&
+        Object.prototype.hasOwnProperty.call(keyIdB, fieldName) &&
+        keyIdA[fieldName] !== keyIdB[fieldName]
     )
   }
 }