diff --git a/charts/hono/Chart.yaml b/charts/hono/Chart.yaml
index 9d047715..e7c501b6 100755
--- a/charts/hono/Chart.yaml
+++ b/charts/hono/Chart.yaml
@@ -15,7 +15,7 @@ name: hono
 description: |
   Eclipse Hono™ provides remote service interfaces for connecting large numbers of IoT devices to a back end and
   interacting with them in a uniform way regardless of the device communication protocol.
-version: 1.7.3
+version: 1.7.4
 # Version of Hono being deployed by the chart
 appVersion: 1.7.1
 keywords:
diff --git a/charts/hono/templates/_helpers.tpl b/charts/hono/templates/_helpers.tpl
index 204319af..687335e6 100644
--- a/charts/hono/templates/_helpers.tpl
+++ b/charts/hono/templates/_helpers.tpl
@@ -307,12 +307,12 @@ deviceConnection:
 {{- end }}
 {{- end }}
 {{- if .dot.Values.prometheus.createInstance }}
-resource-limits:
-  prometheus-based:
+resourceLimits:
+  prometheusBased:
     host: {{ template "hono.prometheus.server.fullname" .dot }}
 {{- else if .dot.Values.prometheus.host }}
-resource-limits:
-  prometheus-based:
+resourceLimits:
+  prometheusBased:
     host: {{ .dot.Values.prometheus.host }}
     port: {{ default "9090" .dot.Values.prometheus.port }}
 {{- end }}