diff --git a/omero-server/Chart.yaml b/omero-server/Chart.yaml
index 21eed77..5f0d007 100644
--- a/omero-server/Chart.yaml
+++ b/omero-server/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v1
-appVersion: 5.6.16-2
+appVersion: 5.6.17
 description: OMERO.server
 name: omero-server
-version: 0.4.12
+version: 0.4.13
 icon: https://www.openmicroscopy.org/img/logos/omero-logomark.svg
diff --git a/omero-server/templates/statefulset.yaml b/omero-server/templates/statefulset.yaml
index 098b0fd..e7fcf07 100644
--- a/omero-server/templates/statefulset.yaml
+++ b/omero-server/templates/statefulset.yaml
@@ -29,6 +29,18 @@ spec:
         runAsUser: {{ .Values.securityContext.runAsUser }}
       {{- end }}
       terminationGracePeriodSeconds: 300
+      initContainers:
+        # var/tmp isn't automatically created leading to a failure
+        # https://github.com/ome/openmicroscopy/issues/6448
+        - name: mkdirs
+          image: docker.io/library/busybox:1.37
+          command:
+            - mkdir
+            - -p
+            - /opt/omero/server/OMERO.server/var/tmp
+          volumeMounts:
+            - name: omero-server-var
+              mountPath: /opt/omero/server/OMERO.server/var
       containers:
         - name: {{ .Chart.Name }}
           image: "{{ .Values.image.repository }}:{{ default .Chart.AppVersion .Values.image.tag }}"