diff --git a/build_scripts/windows/scripts/az b/build_scripts/windows/scripts/az
index 6600548847e..7ca43dac385 100644
--- a/build_scripts/windows/scripts/az
+++ b/build_scripts/windows/scripts/az
@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
 
-AZ_INSTALLER=MSI "$(dirname "${BASH_SOURCE[0]}")/../python.exe" -IBm azure.cli "$@"
+AZ_INSTALLER=MSI "$(dirname "${BASH_SOURCE[0]}")/../python.exe" -X utf8 -IBm azure.cli "$@"
diff --git a/build_scripts/windows/scripts/az_msi.cmd b/build_scripts/windows/scripts/az_msi.cmd
index 9e9708908c6..d11d1ea6f25 100644
--- a/build_scripts/windows/scripts/az_msi.cmd
+++ b/build_scripts/windows/scripts/az_msi.cmd
@@ -5,7 +5,7 @@
 
 @IF EXIST "%~dp0\..\python.exe" (
   SET AZ_INSTALLER=MSI
-  "%~dp0\..\python.exe" -IBm azure.cli %*
+  "%~dp0\..\python.exe" -X utf8 -IBm azure.cli %*
 ) ELSE (
   echo Failed to load python executable.
   exit /b 1
diff --git a/build_scripts/windows/scripts/az_zip.cmd b/build_scripts/windows/scripts/az_zip.cmd
index 07e4acb73ff..43417e70fbc 100644
--- a/build_scripts/windows/scripts/az_zip.cmd
+++ b/build_scripts/windows/scripts/az_zip.cmd
@@ -5,7 +5,7 @@
 
 @IF EXIST "%~dp0\..\python.exe" (
   SET AZ_INSTALLER=ZIP
-  "%~dp0\..\python.exe" -IBm azure.cli %*
+  "%~dp0\..\python.exe" -X utf8 -IBm azure.cli %*
 ) ELSE (
   echo Failed to load python executable.
   exit /b 1
diff --git a/build_scripts/windows/scripts/azps.ps1 b/build_scripts/windows/scripts/azps.ps1
index 7e644639bf6..11e18c905f0 100644
--- a/build_scripts/windows/scripts/azps.ps1
+++ b/build_scripts/windows/scripts/azps.ps1
@@ -1,5 +1,5 @@
 $env:AZ_INSTALLER="MSI"
-& "$PSScriptRoot\..\python.exe" -IBm azure.cli $args
+& "$PSScriptRoot\..\python.exe" -X utf8 -IBm azure.cli $args
 
 # SIG # Begin signature block
 # MIInuQYJKoZIhvcNAQcCoIInqjCCJ6YCAQExDzANBglghkgBZQMEAgEFADB5Bgor