diff --git a/charts/s3-operator/templates/deployment.yaml b/charts/s3-operator/templates/deployment.yaml
index 7ecc1f4..1bc44b3 100644
--- a/charts/s3-operator/templates/deployment.yaml
+++ b/charts/s3-operator/templates/deployment.yaml
@@ -58,7 +58,7 @@ spec:
           valueFrom:
             secretKeyRef:
               name: {{ .Values.s3.existingSecret }}
-              key: S3_ACCESS_KEY
+              key: {{ .Values.s3.secretKeyName | default 'S3_ACCESS_KEY'}}
           {{- else }}
           value: {{ .Values.s3.accessKey }}
           {{- end }}
@@ -67,7 +67,7 @@ spec:
           valueFrom:
             secretKeyRef:
               name: {{ .Values.s3.existingSecret }}
-              key: S3_SECRET_KEY
+              key: {{ .Values.s3.accessKeyName | default 'S3_SECRET_KEY'}}  
           {{- else }}
           value: {{ .Values.s3.secretKey }}
           {{- end }}
@@ -93,4 +93,4 @@ spec:
       securityContext:
         runAsNonRoot: true
       serviceAccountName: {{ include "s3-operator.fullname" . }}-controller-manager
-      terminationGracePeriodSeconds: 10
\ No newline at end of file
+      terminationGracePeriodSeconds: 10