diff --git a/lib/base/connection-pool.js b/lib/base/connection-pool.js
index c6e1b916..4e3071d0 100644
--- a/lib/base/connection-pool.js
+++ b/lib/base/connection-pool.js
@@ -162,7 +162,7 @@ class ConnectionPool extends EventEmitter {
         }
         case 'encrypt':
           Object.assign(config.options, {
-            encrypt: true
+            encrypt: !!value
           })
           break
         case 'enlist':
@@ -215,7 +215,7 @@ class ConnectionPool extends EventEmitter {
           break
         case 'transaction binding':
           Object.assign(config.options, {
-            enableImplicitTransactions: value.toLowerCase() === 'Implicit Unbind'
+            enableImplicitTransactions: value.toLowerCase() === 'implicit unbind'
           })
           break
         case 'transparentnetworkipresolution':