diff --git a/cipd.bat b/cipd.bat
index 6a65238b1..ffe89fe1e 100644
--- a/cipd.bat
+++ b/cipd.bat
@@ -3,4 +3,5 @@
 :: Use of this source code is governed by a BSD-style license that can be
 :: found in the LICENSE file.
 
+powershell -NoProfile Unblock-File -Path "%~dp0\cipd.ps1"
 powershell -NoProfile -ExecutionPolicy RemoteSigned -File "%~dp0\cipd.ps1" %*