diff --git a/lib/core/sdam/monitor.js b/lib/core/sdam/monitor.js
index 9756e385db..701fb59b28 100644
--- a/lib/core/sdam/monitor.js
+++ b/lib/core/sdam/monitor.js
@@ -91,6 +91,10 @@ class Monitor extends EventEmitter {
 
     // ensure no authentication is used for monitoring
     delete connectOptions.credentials;
+
+    // ensure encryption is not requested for monitoring
+    delete connectOptions.autoEncrypter;
+
     this.connectOptions = Object.freeze(connectOptions);
   }