diff --git a/9.6/alpine/Dockerfile b/9.6/alpine/Dockerfile
index cf6a9828ea..ada1b01dfb 100644
--- a/9.6/alpine/Dockerfile
+++ b/9.6/alpine/Dockerfile
@@ -139,7 +139,8 @@ RUN mkdir -p /var/run/postgresql && chown -R postgres:postgres /var/run/postgres
 ENV PATH /usr/lib/postgresql/$PG_MAJOR/bin:$PATH
 ENV PGDATA /var/lib/postgresql/data
 RUN mkdir -p "$PGDATA" && chown -R postgres:postgres "$PGDATA" && chmod 777 "$PGDATA" # this 777 will be replaced by 700 at runtime (allows semi-arbitrary "--user" values)
-VOLUME /var/lib/postgresql/data
+VOLUME /postgres/data
+VOLUME /postgres/xlogs
 
 COPY docker-entrypoint.sh /usr/local/bin/
 RUN ln -s usr/local/bin/docker-entrypoint.sh / # backwards compat