diff --git a/bucket/msmpi.json b/bucket/msmpi.json
index 491ac1c9af..a1698180c9 100644
--- a/bucket/msmpi.json
+++ b/bucket/msmpi.json
@@ -5,7 +5,7 @@
     "license": "MIT",
     "url": "https://github.com/Microsoft/Microsoft-MPI/releases/download/v10.1.1/msmpisetup.exe",
     "hash": "7308fd15e437d6829fd9c6ec5d801380faa3bff6e66e1dee3e8e005106fb6a68",
-    "pre_install": "Invoke-ExternalCommand -Path \"$(Get-HelperPath -Helper 7zip)\" -ArgumentList @('x', '-t#', \"`\"$dir\\msmpisetup.exe`\"\", \"-o`\"$dir\\tmp`\"\")",
+    "pre_install": "Invoke-ExternalCommand -Path \"$(Get-HelperPath -Helper 7zip)\" -ArgumentList @('x', '-t#', \"$dir\\msmpisetup.exe\", \"-o$dir\\tmp\") | Out-Null",
     "architecture": {
         "64bit": {
             "installer": {