diff --git a/puppet/services/monitoring/sensu-base.yaml b/puppet/services/monitoring/sensu-base.yaml
index 24dda549e8..0f0fe957b4 100644
--- a/puppet/services/monitoring/sensu-base.yaml
+++ b/puppet/services/monitoring/sensu-base.yaml
@@ -44,7 +44,7 @@ parameters:
         to the RabbitMQ host. Set MonitoringRabbitUseSSL to true without
         specifying a private key or cert chain to use SSL transport,
         but not cert auth.
-    type: string
+    type: boolean
   MonitoringRabbitSSLPrivateKey:
     default: ''
     description: Private key to be used by Sensu to connect to RabbitMQ host.