diff --git a/script/vsts/linux.yml b/script/vsts/linux.yml
index 70831c0a5..8c009b4e0 100644
--- a/script/vsts/linux.yml
+++ b/script/vsts/linux.yml
@@ -34,6 +34,7 @@ phases:
       script/test
     env:
       CI: true
+      CI_PROVIDER: VSTS
     displayName: Run tests
 
   # This step is necessary in the short term due to a bug in the *NIX
diff --git a/script/vsts/macos.yml b/script/vsts/macos.yml
index 5ab483aef..3e7273e44 100644
--- a/script/vsts/macos.yml
+++ b/script/vsts/macos.yml
@@ -31,6 +31,7 @@ phases:
       caffeinate -s script/test # Run with caffeinate to prevent screen saver
     env:
       CI: true
+      CI_PROVIDER: VSTS
     displayName: Run tests
 
   # This step is necessary in the short term due to a bug in the *NIX
diff --git a/script/vsts/windows.yml b/script/vsts/windows.yml
index 195f21b71..410ee0dce 100644
--- a/script/vsts/windows.yml
+++ b/script/vsts/windows.yml
@@ -36,6 +36,7 @@ phases:
   - script: script\test.cmd
     env:
       CI: true
+      CI_PROVIDER: VSTS
     displayName: Run tests
 
   - task: CopyFiles@2