diff --git a/lib/msf/core/exploit/http.rb b/lib/msf/core/exploit/http.rb
index e54f57f7cd..2f832bfd56 100644
--- a/lib/msf/core/exploit/http.rb
+++ b/lib/msf/core/exploit/http.rb
@@ -502,7 +502,9 @@ module Exploit::Remote::HttpServer
 	# Returns the last-used resource path
 	#
 	def get_resource
-		@service_path
+		# We don't want modules modifying their service_path inadvertantly, so
+		# give them a dup.  Can be nil during module setup.
+		@service_path ? @service_path.dup : nil
 	end
 
 	#