diff --git a/.circleci/config/base.yml b/.circleci/config/base.yml
index c29c61381e..31a6b34681 100644
--- a/.circleci/config/base.yml
+++ b/.circleci/config/base.yml
@@ -357,6 +357,7 @@ step-setup-rbe-for-build: &step-setup-rbe-for-build
       $HELPER login
       echo 'export RBE_service='`node -e "console.log(require('./src/utils/reclient.js').serviceAddress)"` >> $BASH_ENV
       echo 'export RBE_experimental_credentials_helper='`node -e "console.log(require('./src/utils/reclient.js').helperPath)"` >> $BASH_ENV
+      echo 'export RBE_experimental_credentials_helper_args="print"' >> $BASH_ENV
 
 step-restore-brew-cache: &step-restore-brew-cache
   restore_cache:
diff --git a/appveyor-woa.yml b/appveyor-woa.yml
index ad487a4fbd..3e162cc27a 100644
--- a/appveyor-woa.yml
+++ b/appveyor-woa.yml
@@ -113,6 +113,8 @@ for:
           $env:RBE_service = node -e "console.log(require('./src/utils/reclient.js').serviceAddress)"
       - ps: >-
           $env:RBE_experimental_credentials_helper = $env:RECLIENT_HELPER
+      - ps: >-
+          $env:RBE_experimental_credentials_helper_args = "print"
       - cd ..\..
       - ps: $env:CHROMIUM_BUILDTOOLS_PATH="$pwd\src\buildtools"
       - ps: >-
diff --git a/appveyor.yml b/appveyor.yml
index 682a5f5600..85adf464cc 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -111,6 +111,8 @@ for:
           $env:RBE_service = node -e "console.log(require('./src/utils/reclient.js').serviceAddress)"
       - ps: >-
           $env:RBE_experimental_credentials_helper = $env:RECLIENT_HELPER
+      - ps: >-
+          $env:RBE_experimental_credentials_helper_args = "print"
       - cd ..\..
       - ps: $env:CHROMIUM_BUILDTOOLS_PATH="$pwd\src\buildtools"
       - ps: >-