diff --git a/charts/obico/Chart.yaml b/charts/obico/Chart.yaml
index 569bdeb8e..308272bd5 100644
--- a/charts/obico/Chart.yaml
+++ b/charts/obico/Chart.yaml
@@ -24,5 +24,5 @@ sources:
   - https://github.com/gabe565/docker-obico
 annotations:
   artifacthub.io/changes: |-
-    - kind: added
-      description: Initial release
+    - kind: fixed
+      description: Fix error when `server.env` is unset
diff --git a/charts/obico/templates/server.yaml b/charts/obico/templates/server.yaml
index 64255a29b..97bb519a3 100644
--- a/charts/obico/templates/server.yaml
+++ b/charts/obico/templates/server.yaml
@@ -24,7 +24,7 @@ ML_API_HOST: "http://{{ include "bjw-s.common.lib.chart.names.fullname" $ }}-ml-
 {{- end -}}
 
 {{- define "obico.server.hardcodedValues" -}}
-{{- $env := deepCopy .Values.server.env }}
+{{- $env := default dict .Values.server.env | deepCopy }}
 {{- $_ := include "obico.server.redisValues" . | fromYaml | merge $env }}
 {{- $_ = include "obico.server.env" . | fromYaml | merge $env }}