diff --git a/base-image/Dockerfile b/base-image/Dockerfile
index ae866b946..67e64cdbc 100644
--- a/base-image/Dockerfile
+++ b/base-image/Dockerfile
@@ -10,7 +10,7 @@ COPY --from=knk /kaniko/ssl/certs/ /kaniko/ssl/certs/
 COPY --from=knk /kaniko/.docker /kaniko/.docker
 ENV HOME=/root
 ENV USER=root
-ENV PATH=${PATH}:/kaniko
+ENV PATH="\$PATH:/kaniko"
 ENV SSL_CERT_DIR=/kaniko/ssl/certs
 ENV DOCKER_CONFIG=/kaniko/.docker/
 ENV DOCKER_CREDENTIAL_GCR_CONFIG=/kaniko/.config/gcloud/docker_credential_gcr_config.json