diff --git a/lib/util/readShebang.js b/lib/util/readShebang.js
index be35dff..957dd70 100644
--- a/lib/util/readShebang.js
+++ b/lib/util/readShebang.js
@@ -5,12 +5,23 @@ const shebangCommand = require('shebang-command');
 
 function readShebang(command) {
     // Read the first 150 bytes from the file
+    const size = 150;
+
+    let buffer;
+    if (Buffer.alloc) {
+        // Node.js v4.5+ / v5.10+
+        buffer = Buffer.alloc(size);
+    } else {
+        // Old Node.js API
+        buffer = new Buffer(size);
+        buffer.fill(0); // zero-fill
+    }
+
     let fd;
-    const buffer = new Buffer(150);
 
     try {
         fd = fs.openSync(command, 'r');
-        fs.readSync(fd, buffer, 0, 150, 0);
+        fs.readSync(fd, buffer, 0, size, 0);
         fs.closeSync(fd);
     } catch (e) { /* Empty */ }