diff --git a/hosting/k8s/helm/templates/supervisor.yaml b/hosting/k8s/helm/templates/supervisor.yaml
index ee3a1580b7a..11fd7a7f6d9 100644
--- a/hosting/k8s/helm/templates/supervisor.yaml
+++ b/hosting/k8s/helm/templates/supervisor.yaml
@@ -237,7 +237,7 @@ spec:
               value: {{ .Values.supervisor.config.debug | quote }}
             # OTEL
             - name: OTEL_EXPORTER_OTLP_ENDPOINT
-              value: "http://{{ include "trigger-v4.fullname" . }}-webapp:{{ .Values.webapp.service.port }}/otel"
+              value: "http://{{ include "trigger-v4.fullname" . }}-webapp.{{ .Release.Namespace }}.svc.cluster.local:{{ .Values.webapp.service.port }}/otel"
             {{- with .Values.supervisor.extraEnvVars }}
             {{- toYaml . | nindent 12 }}
             {{- end }}