diff --git a/scripts/deploy/deploy-screenshot-functions.sh b/scripts/deploy/deploy-screenshot-functions.sh
index 8e2f490c8ed..3e29490bbf1 100755
--- a/scripts/deploy/deploy-screenshot-functions.sh
+++ b/scripts/deploy/deploy-screenshot-functions.sh
@@ -3,18 +3,25 @@
 # The script should immediately exit if any command in the script fails.
 set -e
 
-# Go to the project root directory
-cd $(dirname ${0})/../..
-
-# Install node modules for screenshot functions. Firebase CLI needs to execute the functions
-# before it can collect all functions and deploy them.
-(cd tools/screenshot-test/functions; npm install)
-
-if [ -z ${MATERIAL2_SCREENSHOT_ACCESS_TOKEN} ]; then
+if [ -z ${MATERIAL2_SCREENSHOT_FIREBASE_DEPLOY_TOKEN} ]; then
   echo "Error: No access token for firebase specified." \
-       "Please set the environment variable 'MATERIAL2_SCREENSHOT_ACCESS_TOKEN'."
+       "Please set the environment variable 'MATERIAL2_SCREENSHOT_FIREBASE_DEPLOY_TOKEN'."
   exit 1
 fi
 
+# Go to the project root directory
+cd $(dirname ${0})/../..
+
+# Paths to the screenshot-test directory that also contains the function directory.
+screenshotTestFolder=tools/screenshot-test
+
+# Go to the screenshot-test folder because otherwise Firebase tries to deploy the wrong project.
+cd ${screenshotTestFolder}
+
+# Install node modules for the screenshot functions. Firebase CLI needs to execute the functions
+# before it can collect all functions and deploy them.
+(cd functions; npm install)
+
 # Deploy the screenshot functions to Firebase
-$(npm bin)/firebase deploy --only functions --token ${MATERIAL2_SCREENSHOT_ACCESS_TOKEN}
+$(npm bin)/firebase deploy --only functions --token ${MATERIAL2_SCREENSHOT_FIREBASE_DEPLOY_TOKEN} \
+  --project material2-screenshots
diff --git a/tools/gulp/util/firebase.ts b/tools/gulp/util/firebase.ts
index 3675aee4ad1..586e1d5ba8f 100644
--- a/tools/gulp/util/firebase.ts
+++ b/tools/gulp/util/firebase.ts
@@ -38,7 +38,7 @@ export function openScreenshotsBucket() {
     projectId: 'material2-screenshots',
     credentials: {
       client_email: 'firebase-adminsdk-t4209@material2-screenshots.iam.gserviceaccount.com',
-      private_key: decode(process.env['MATERIAL2_SCREENSHOT_FIREBASE_KEY'])
+      private_key: decode(process.env['MATERIAL2_SCREENSHOT_FIREBASE_SERVICE_KEY'])
     },
   });