diff --git a/plugins/msgrpc.rb b/plugins/msgrpc.rb
index cc49d292b7..e9d6956a38 100644
--- a/plugins/msgrpc.rb
+++ b/plugins/msgrpc.rb
@@ -21,12 +21,12 @@ class Plugin::MSGRPC < Msf::Plugin
   #
   # The default local hostname that the server listens on.
   #
-  DefaultHost = "127.0.0.1"
+  DefaultHost ||= "127.0.0.1"
 
   #
   # The default local port that the server listens on.
   #
-  DefaultPort = 55552
+  DefaultPort ||= 55552
 
   #
   # ServerPort