diff --git a/deploy/apollo/apollo-server/templates/temporal.yaml b/deploy/apollo/apollo-server/templates/temporal.yaml
index f6e66f1..2c8311e 100644
--- a/deploy/apollo/apollo-server/templates/temporal.yaml
+++ b/deploy/apollo/apollo-server/templates/temporal.yaml
@@ -36,7 +36,7 @@ spec:
             - name: TEMPORAL_CLI_ADDRESS
               value: {{ .Values.temporal.hostport }}
             - name: TEMPORAL_CLI_NAMESPACE
-              value: {{ $.Values.temporal.Namespace }}
+              value: {{ $.Values.temporal.namespace }}
           command:
             - "/bin/sh"
             - "-c"
diff --git a/deploy/apollo/apollo-server/values.yaml b/deploy/apollo/apollo-server/values.yaml
index 0d115e3..5f8e0f4 100644
--- a/deploy/apollo/apollo-server/values.yaml
+++ b/deploy/apollo/apollo-server/values.yaml
@@ -95,7 +95,7 @@ temporal:
       repository: temporalio/admin-tools
       tag: 1.19.1
       pullPolicy: IfNotPresent
-  Namespace: default
+  namespace: default
 
 serviceAnnotations: {}