diff --git a/packages/xo-vmdk-to-vhd/src/vmdk-to-vhd.integ.spec.js b/packages/xo-vmdk-to-vhd/src/vmdk-to-vhd.integ.spec.js
index d75f15015..bb04d7669 100644
--- a/packages/xo-vmdk-to-vhd/src/vmdk-to-vhd.integ.spec.js
+++ b/packages/xo-vmdk-to-vhd/src/vmdk-to-vhd.integ.spec.js
@@ -24,6 +24,15 @@ afterEach(async () => {
   await pFromCallback(cb => rimraf(tmpDir, cb))
 })
 
+function bufferToArray(buffer) {
+  const view = new DataView(buffer)
+  const res = []
+  for (let i = 0; i < buffer.byteLength; i += 4) {
+    res.push(view.getUint32(i, true))
+  }
+  return res
+}
+
 function createFileAccessor(file) {
   return async (start, end) => {
     if (start < 0 || end < 0) {
@@ -52,7 +61,7 @@ test('VMDK to VHD can convert a random data file with VMDKDirectParser', async (
     })
     const result = await readVmdkGrainTable(createFileAccessor(vmdkFileName))
     const pipe = (
-      await vmdkToVhd(createReadStream(vmdkFileName), result.grainLogicalAddressList, result.grainFileOffsetList)
+      await vmdkToVhd(createReadStream(vmdkFileName), bufferToArray(result.grainLogicalAddressList), bufferToArray(result.grainFileOffsetList))
     ).pipe(createWriteStream(vhdFileName))
     await fromEvent(pipe, 'finish')
     await execa('vhd-util', ['check', '-p', '-b', '-t', '-n', vhdFileName])