diff --git a/stable/nats/Chart.yaml b/stable/nats/Chart.yaml
index f4a3d9f0f0..42a2ceda3f 100644
--- a/stable/nats/Chart.yaml
+++ b/stable/nats/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v1
 name: nats
-version: 2.5.7
+version: 2.5.8
 appVersion: 1.4.1
 description: An open-source, cloud-native messaging system
 keywords:
diff --git a/stable/nats/templates/configmap.yaml b/stable/nats/templates/configmap.yaml
index 18a70e39c8..86c2a37773 100644
--- a/stable/nats/templates/configmap.yaml
+++ b/stable/nats/templates/configmap.yaml
@@ -37,13 +37,13 @@ data:
 
     # Some system overides
     {{- if .Values.maxConnections }}
-    max_connections: {{ .Values.maxConnections }}
+    max_connections: {{ int .Values.maxConnections }}
     {{- end }}
     {{- if .Values.maxControlLine }}
-    max_control_line: {{ .Values.maxControlLine }}
+    max_control_line: {{ int .Values.maxControlLine }}
     {{- end }}
     {{- if .Values.maxPayload }}    
-    max_payload: {{ .Values.maxPayload }}
+    max_payload: {{ int .Values.maxPayload }}
     {{- end }}
     {{- if .Values.writeDeadline }}
     write_deadline: {{ .Values.writeDeadline | quote }}