diff --git a/src/patches/boot-nexe.ts b/src/patches/boot-nexe.ts
index f3ae18ce..565c27ba 100644
--- a/src/patches/boot-nexe.ts
+++ b/src/patches/boot-nexe.ts
@@ -1,24 +1,42 @@
 const fs = require('fs'),
   fd = fs.openSync(process.execPath, 'r'),
   stat = fs.fstatSync(fd),
-  defaultTailSize = 16000,
-  tailSize = Math.min(
-    stat.size,
-    require('os').platform() === 'darwin' ? defaultTailSize * 100 : defaultTailSize
-  ),
-  tailWindow = Buffer.from(Array(tailSize))
+  tailSize = Math.min(stat.size, 16000),
+  tailWindow = Buffer.alloc(tailSize),
+  match = '<nexe' + '~~sentinel>',
+  matchLength = match.length,
+  lastBuffer = Buffer.alloc(matchLength + 32)
 
-fs.readSync(fd, tailWindow, 0, tailSize, stat.size - tailSize)
+let offset = stat.size,
+  footerPosition = -1,
+  footerPositionOffset = 0,
+  footer: Buffer
+
+while (true) {
+  const bytesRead = fs.readSync(fd, tailWindow, 0, tailSize, offset - tailSize)
+  if (bytesRead === 0) break
+
+  const combinedBuffers = Buffer.concat([tailWindow, lastBuffer])
+  footerPosition = combinedBuffers.indexOf(match)
+
+  if (footerPosition > -1) {
+    footer = combinedBuffers.slice(footerPosition, footerPosition + 32)
+    break
+  }
+
+  if (offset < 0) break
+
+  tailWindow.copy(lastBuffer)
+  offset = offset - bytesRead
+}
 
-const footerPosition = tailWindow.indexOf('<nexe~~sentinel>')
 if (footerPosition == -1) {
   throw 'Invalid Nexe binary'
 }
 
-const footer = tailWindow.slice(footerPosition, footerPosition + 32),
-  contentSize = footer.readDoubleLE(16),
-  resourceSize = footer.readDoubleLE(24),
-  contentStart = stat.size - tailSize + footerPosition - resourceSize - contentSize,
+const contentSize = footer!.readDoubleLE(16),
+  resourceSize = footer!.readDoubleLE(24),
+  contentStart = offset - tailSize + footerPosition - resourceSize - contentSize,
   resourceStart = contentStart + contentSize
 
 Object.defineProperty(
@@ -52,10 +70,10 @@ Object.defineProperty(
   })()
 )
 
-const contentBuffer = Buffer.from(Array(contentSize)),
+const contentBuffer = Buffer.alloc(contentSize),
   Module = require('module')
 
 fs.readSync(fd, contentBuffer, 0, contentSize, contentStart)
 fs.closeSync(fd)
 
-new Module(process.execPath, null)._compile(contentBuffer.toString(), process.execPath)
+new Module(process.execPath, null)._compile(contentBuffer.slice(1).toString(), process.execPath)