diff --git a/src/main/ua-parser.js b/src/main/ua-parser.js
index 11ff265..98e3b81 100755
--- a/src/main/ua-parser.js
+++ b/src/main/ua-parser.js
@@ -1056,7 +1056,7 @@
                     var brands = uaCH[FULLVERLIST] || uaCH[BRANDS];
                     if (brands) {
                         for (var i in brands) {
-                            var brandName = brands[i].brand,
+                            var brandName = brands[i].brand || brands[i],
                                 brandVersion = brands[i].version;
                             if (!/not.a.brand/i.test(brandName) && (i < 1 || /chromi/i.test(this.get(NAME)))) {
                                 this.set(NAME, strip(GOOGLE+' ', brandName))
diff --git a/test/mocha-test.js b/test/mocha-test.js
index db0c355..13fddc7 100644
--- a/test/mocha-test.js
+++ b/test/mocha-test.js
@@ -490,4 +490,26 @@ describe('Map UA-CH headers', function () {
             assert.strictEqual(ua.device.type, undefined);
         });
     });
+
+    it('Avoid error on headers variation', function () {  
+
+        const headers2 = {
+            'sec-ch-ua' : '"Google Chrome";v="119", "Chromium";v="119", "Not?A_Brand";v="24"',
+            'sec-ch-ua-full-version-list' : '"Google Chrome", "Chromium", "Not?A_Brand";v="24.0.0.0"',
+            'sec-ch-ua-full-version' : '""',
+            'sec-ch-ua-mobile' : '?0',
+            'sec-ch-ua-arch' : '""',
+            'sec-ch-ua-bitness' : '""',
+            'sec-ch-ua-model' : '""',
+            'sec-ch-ua-platform' : '"Windows"',
+            'sec-ch-ua-platform-version' : '""',
+            'sec-ch-ua-wow64' : '?0',
+        };
+        
+        uap = UAParser(headers2).withClientHints();
+
+        assert.strictEqual(uap.browser.name, "Chrome");
+        assert.strictEqual(uap.browser.version, undefined);
+        assert.strictEqual(uap.browser.major, undefined);
+    });
 });
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