diff --git a/Dockerfile b/Dockerfile
index 3cf4605..76742bd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,6 +9,7 @@ ENV LOG_LEVEL=INFO
 ENV SHIBD_VERSION=3.2.1-3.1
 ENV SHIBD_REMOTE_USER=somerandomname
 ENV SHIBD_CONSISTENT_ADDRESS=true
+ENV SHIBBOLETH_IDP_METADATA_BACKUPFILE=/var/cache/shibboleth/shibboleth-metadata-idp.xml
 
 WORKDIR /etc/shibboleth
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 210ddb4..2deb0bb 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -19,7 +19,7 @@ services:
     environment:
       - SHIBBOLETH_IDP_DISCOVERY_URL=https://authentication.stg.id.ubc.ca
       - SHIBBOLETH_IDP_METADATA_URL=https://authentication.stg.id.ubc.ca/idp/shibboleth
-      - SHIBBOLETH_IDP_METADATA_BACKUPFILE=/tmp/shibboleth-metadata-idp.xml
+      - SHIBBOLETH_IDP_METADATA_BACKUPFILE=/var/cache/shibboleth/shibboleth-metadata-idp.xml
       - SHIBBOLETH_IDP_ENTITY_ID=https://authentication.stg.id.ubc.ca
       - SHIBBOLETH_SP_ENTITY_ID=https://moodle.ubc.ca
       - SHIBD_LISTENER_ACL=0.0.0.0/0