diff --git a/helm/defectdojo/Chart.yaml b/helm/defectdojo/Chart.yaml
index e51ceb314ee..2804ed130d3 100644
--- a/helm/defectdojo/Chart.yaml
+++ b/helm/defectdojo/Chart.yaml
@@ -34,4 +34,4 @@ dependencies:
 #     description: Critical bug
 annotations:
   artifacthub.io/prerelease: "true"
-  artifacthub.io/changes: "- kind: changed\n  description: chore(deps)_ update valkey _ tag from 0.22.1 to v0.23.0 (_/defect_/chart.yaml)\n"
+  artifacthub.io/changes: "- kind: changed\n  description: chore(deps)_ update valkey _ tag from 0.22.1 to v0.23.0 (_/defect_/chart.yaml)\n- kind: fixed\n  description: Set UTF-8 locale defaults for Helm chart containers\n"
diff --git a/helm/defectdojo/templates/configmap.yaml b/helm/defectdojo/templates/configmap.yaml
index 8f1d510a1a4..4ef9905b6d9 100644
--- a/helm/defectdojo/templates/configmap.yaml
+++ b/helm/defectdojo/templates/configmap.yaml
@@ -56,9 +56,12 @@ data:
   DD_DJANGO_METRICS_ENABLED: '{{ .Values.monitoring.enabled }}'
   NGINX_METRICS_ENABLED: '{{ .Values.monitoring.enabled }}'
   METRICS_HTTP_AUTH_USER: {{ .Values.monitoring.user | default "monitoring" }}
+  PYTHONUTF8: {{ ternary (index .Values.extraConfigs "PYTHONUTF8") "1" (hasKey .Values.extraConfigs "PYTHONUTF8") | quote }}
+  LANG: {{ ternary (index .Values.extraConfigs "LANG") "C.UTF-8" (hasKey .Values.extraConfigs "LANG") | quote }}
+  LC_ALL: {{ ternary (index .Values.extraConfigs "LC_ALL") "C.UTF-8" (hasKey .Values.extraConfigs "LC_ALL") | quote }}
 {{- if  .Values.django.uwsgi.certificates.enabled }}
   REQUESTS_CA_BUNDLE: {{ .Values.django.uwsgi.certificates.certMountPath }}{{ .Values.django.uwsgi.certificates.certFileName }}
 {{- end }}
-{{- with .Values.extraConfigs }}
+{{- with omit .Values.extraConfigs "PYTHONUTF8" "LANG" "LC_ALL" }}
   {{- toYaml . | nindent 2 }}
 {{- end }}