diff --git a/charts/graylog/templates/config/secret/secrets.yaml b/charts/graylog/templates/config/secret/secrets.yaml
index bde221d..febbf89 100644
--- a/charts/graylog/templates/config/secret/secrets.yaml
+++ b/charts/graylog/templates/config/secret/secrets.yaml
@@ -73,6 +73,6 @@ data:
   GRAYLOG_PASSWORD_SECRET: {{ $graylogPepper }}
   GRAYLOG_ROOT_PASSWORD_SHA2: {{ $graylogSha }}
   {{- if .Values.graylog.config.tls.enabled }}
-  GRAYLOG_HTTP_TLS_KEY_PASSWORD: {{ .Values.graylog.config.tls.keyPassword | quote }}
+  GRAYLOG_HTTP_TLS_KEY_PASSWORD: {{ .Values.graylog.config.tls.keyPassword | b64enc | quote }}
   {{- end }}
 {{- end }}
\ No newline at end of file