diff --git a/lib/msf/core/rpc/base.rb b/lib/msf/core/rpc/base.rb
index 8e4087acc3..3d29024b63 100644
--- a/lib/msf/core/rpc/base.rb
+++ b/lib/msf/core/rpc/base.rb
@@ -9,21 +9,21 @@ class Base
 	end
 
 	def authenticate(token)
-	
+
 		stale = []
 		@tokens.each_key do |t|
-			user,ctime,mtime = @tokens[t]
-			if(mtime + 300 < Time.now.to_i)
+			user,ctime,mtime,perm = @tokens[t]
+			if ! perm and mtime + 300 < Time.now.to_i
 				stale << t
 			end
 		end
-		
+
 		stale.each { |t| @tokens.delete(t) }
-	
+
 		if(not @tokens[token])
 			raise ::XMLRPC::FaultException.new(401, "authentication error")
 		end
-		
+
 		@tokens[token][2] = Time.now.to_i
 	end
 
@@ -31,3 +31,4 @@ class Base
 end
 end
 end
+