diff --git a/test/jazzer-test-fuzzing.js b/test/jazzer-fuzz-test.js
similarity index 66%
rename from test/jazzer-test-fuzzing.js
rename to test/jazzer-fuzz-test.js
index c09e36f..ee30cf2 100644
--- a/test/jazzer-test-fuzzing.js
+++ b/test/jazzer-fuzz-test.js
@@ -1,9 +1,14 @@
+const { FuzzedDataProvider } = require('@jazzer.js/core');
 const UAParser = require('ua-parser-js');
+const UA_MAX_LENGTH = 350;
 
 module.exports.fuzz = function (buffer) {
-    const userAgent = buffer.toString();
+    const data = new FuzzedDataProvider(buffer);
+    const userAgent = data.consumeString(UA_MAX_LENGTH, 'utf-8', true);
     const start = process.hrtime();
+    
     UAParser(userAgent);
+
     const elapsed = process.hrtime(start);
     const milisec = (elapsed[0]*1e3+elapsed[1]*1e-6).toFixed(3);
     if (milisec > 1000) {