diff --git a/index.js b/index.js
index 8978b93..3d98c04 100644
--- a/index.js
+++ b/index.js
@@ -436,9 +436,10 @@ function setupCapture(interfaceName) {
   const device = interfaceName;
   const filter = buildBPFFilter();
   const bufferSize = config.capture.bufferSize;
+  const buffer = Buffer.alloc(65535);
   
   try {
-    const linkType = cap.open(device, filter, bufferSize, Buffer.alloc(65535));
+    const linkType = cap.open(device, filter, bufferSize, buffer);
     
     logger.info(`Capturing on interface: ${interfaceName} (${interfaceInfo.ip})`);
     logger.info(`Promiscuous mode: ${config.capture.promiscuousMode ? 'enabled' : 'disabled'}`);
@@ -449,8 +450,8 @@ function setupCapture(interfaceName) {
     
     cap.on('packet', (nbytes, trunc) => {
       if (linkType === 'ETHERNET') {
-        const buffer = cap.buffer.slice(0, nbytes);
-        processPacket(buffer, interfaceInfo).catch(err => {
+        const packetData = buffer.slice(0, nbytes);
+        processPacket(packetData, interfaceInfo).catch(err => {
           logger.error('Failed to process packet:', err.message);
         });
       }