diff --git a/.azure-pipelines/templates/installer-tests.yml b/.azure-pipelines/templates/installer-tests.yml
index d4550aad0..e3a005334 100644
--- a/.azure-pipelines/templates/installer-tests.yml
+++ b/.azure-pipelines/templates/installer-tests.yml
@@ -42,7 +42,7 @@ jobs:
         displayName: Install Certbot
       - powershell: Invoke-WebRequest https://www.python.org/ftp/python/3.8.0/python-3.8.0-amd64-webinstall.exe -OutFile C:\py3-setup.exe
         displayName: Get Python
-      - script: C:\py3-setup.exe /quiet PrependPath=1 InstallAllUsers=1 Include_launcher=1 InstallLauncherAllUsers=1 Include_test=0 Include_doc=0 Include_dev=0 Include_debug=0 Include_tcltk=0 TargetDir=C:\py3
+      - script: C:\py3-setup.exe /quiet PrependPath=1 InstallAllUsers=1 Include_launcher=1 InstallLauncherAllUsers=1 Include_test=0 Include_doc=0 Include_dev=1 Include_debug=0 Include_tcltk=0 TargetDir=C:\py3
         displayName: Install Python
       - script: |
           py -3 -m venv venv