diff --git a/comanage-registry-base/Dockerfile b/comanage-registry-base/Dockerfile
index 010e9ae..442e886 100644
--- a/comanage-registry-base/Dockerfile
+++ b/comanage-registry-base/Dockerfile
@@ -70,6 +70,9 @@ RUN mkdir -p ${COMANAGE_REGISTRY_DIR} \
       && ln -s ${COMANAGE_REGISTRY_DIR}/app/webroot registry \
       && rm -rf ${COMANAGE_REGISTRY_DIR}/local/*
 
+ARG CACHEDIR
+ENV CACHEDIR ${CACHEDIR:-/srv/comanage-registry/app/tmp/cache}
+
 RUN a2enmod headers \
       && a2enmod ssl \
       && a2enmod rewrite \