diff --git a/.github/workflows/testnet.deploy.yaml b/.github/workflows/testnet.deploy.yaml
index 7f159f14..1eeafc58 100644
--- a/.github/workflows/testnet.deploy.yaml
+++ b/.github/workflows/testnet.deploy.yaml
@@ -14,7 +14,7 @@ env:
   ECS_TASK_DEFINITION: dao-frontend-testnet
   CONTAINER_NAME: rif-dao-frontend
 
-  PROFILE: dao
+  PROFILE: testnet
 
 jobs:
   deploy:
@@ -47,7 +47,7 @@ jobs:
           # Build a docker container and
           # push it to ECR so that it can
           # be deployed to ECS.
-          docker build -t $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG --build-arg arg_profile="$PROFILE" --no-cache .
+          docker build -t $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG --build-arg arg_env="$PROFILE" --no-cache .
           docker push $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG
           echo "::set-output name=image::$ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG"