diff --git a/deploy/helm/signaling-server/templates/service-monitor.yaml b/deploy/helm/signaling-server/templates/service-monitor.yaml
index 69b6eee..a4808d0 100644
--- a/deploy/helm/signaling-server/templates/service-monitor.yaml
+++ b/deploy/helm/signaling-server/templates/service-monitor.yaml
@@ -6,6 +6,7 @@ metadata:
   labels:
     release: prometheus-operator
 spec:
+  fallbackScrapeProtocol: PrometheusText0.0.4
   endpoints:
   - port: metrics
     path: {{ .Values.metrics.serviceMonitor.path }}
diff --git a/deploy/helm/turn-server/templates/service-monitor.yaml b/deploy/helm/turn-server/templates/service-monitor.yaml
index 3800592..4b477e5 100644
--- a/deploy/helm/turn-server/templates/service-monitor.yaml
+++ b/deploy/helm/turn-server/templates/service-monitor.yaml
@@ -6,6 +6,7 @@ metadata:
   labels:
     release: prometheus-operator
 spec:
+  fallbackScrapeProtocol: PrometheusText0.0.4
   endpoints:
   - port: metrics
     interval: {{ .Values.metrics.interval }}