diff --git a/.github/workflows/ci_ubuntu_java8.yml b/.github/workflows/ci_ubuntu_java8.yml
index 0c85a91b20..593e18032a 100644
--- a/.github/workflows/ci_ubuntu_java8.yml
+++ b/.github/workflows/ci_ubuntu_java8.yml
@@ -38,4 +38,4 @@ jobs:
         IS_BASIC_TIER_HUB: true
         TARGET_BRANCH: $(System.PullRequest.TargetBranch)
         RECYCLE_TEST_IDENTITIES: true
-        IS_PULL_REQUEST: ${{github.event_name}} == "pull_request"
+        PIPELINE_TRIGGER_TYPE: ${{github.event_name}}
diff --git a/.github/workflows/ci_windows_java11.yml b/.github/workflows/ci_windows_java11.yml
index 4c0ffc2b13..b288f6e263 100644
--- a/.github/workflows/ci_windows_java11.yml
+++ b/.github/workflows/ci_windows_java11.yml
@@ -39,4 +39,4 @@ jobs:
         IS_BASIC_TIER_HUB: true
         TARGET_BRANCH: $(System.PullRequest.TargetBranch)
         RECYCLE_TEST_IDENTITIES: true
-        IS_PULL_REQUEST: ${{github.event_name}} == "pull_request"
+        PIPELINE_TRIGGER_TYPE: ${{github.event_name}}
diff --git a/.github/workflows/ci_windows_java8.yml b/.github/workflows/ci_windows_java8.yml
index 48d554ea69..73c81af942 100644
--- a/.github/workflows/ci_windows_java8.yml
+++ b/.github/workflows/ci_windows_java8.yml
@@ -39,4 +39,4 @@ jobs:
         IS_BASIC_TIER_HUB: true
         TARGET_BRANCH: $(System.PullRequest.TargetBranch)
         RECYCLE_TEST_IDENTITIES: true
-        IS_PULL_REQUEST: ${{github.event_name}} == "pull_request"
+        PIPELINE_TRIGGER_TYPE: ${{github.event_name}}