diff --git a/cmd/integration_test/build/buildspecs/nutanix-test-eks-a-cli.yml b/cmd/integration_test/build/buildspecs/nutanix-test-eks-a-cli.yml
index e264fdab0c13..deff7c9d3483 100644
--- a/cmd/integration_test/build/buildspecs/nutanix-test-eks-a-cli.yml
+++ b/cmd/integration_test/build/buildspecs/nutanix-test-eks-a-cli.yml
@@ -55,6 +55,7 @@ phases:
       - source ${CODEBUILD_SRC_DIR}/cmd/integration_test/build/script/setup_profile.sh
       - source ${CODEBUILD_SRC_DIR}/cmd/integration_test/build/script/create_infra_config.sh
       - ${CODEBUILD_SRC_DIR}/cmd/integration_test/build/script/start_docker.sh
+      - export CLUSTER_NAME_PREFIX="${BRANCH_NAME//./-}"
       - |
         if ! [[ ${CODEBUILD_INITIATOR} =~ "codepipeline" ]]; then
           make build-eks-a-for-e2e build-integration-test-binary e2e-tests-binary E2E_TAGS="e2e nutanix" E2E_OUTPUT_FILE=bin/nutanix/e2e.test