diff --git a/.buildkite/scripts/tooling.sh b/.buildkite/scripts/tooling.sh
index f93b38399b..2b24aaec72 100755
--- a/.buildkite/scripts/tooling.sh
+++ b/.buildkite/scripts/tooling.sh
@@ -22,7 +22,7 @@ google_cloud_auth() {
 
     gcloud auth activate-service-account --key-file ${keyFile} 2> /dev/null
 
-    export GOOGLE_APPLICATIONS_CREDENTIALS=${secretFileLocation}
+    export GOOGLE_APPLICATION_CREDENTIALS=${secretFileLocation}
 }
 
 retry() {
@@ -44,4 +44,3 @@ retry() {
     done
     return 0
 }
-