diff --git a/.ci/azure-pipelines/build-windows.yaml b/.ci/azure-pipelines/build-windows.yaml
index e794f5ab591..0a9e23141ce 100644
--- a/.ci/azure-pipelines/build-windows.yaml
+++ b/.ci/azure-pipelines/build-windows.yaml
@@ -22,6 +22,7 @@ jobs:
       - script: set
         displayName: 'Print Environment Variables'
       - script: |
+          echo ##vso[task.setvariable variable=BOOST_ROOT]%BOOST_ROOT_1_69_0%
           echo ##vso[task.prependpath]%BOOST_ROOT%\lib
         displayName: 'Update System PATH'
       - script: |