diff --git a/modules/exploits/windows/http/ca_arcserve_rpc_authbypass.rb b/modules/exploits/windows/http/ca_arcserve_rpc_authbypass.rb
index e11c04bdaf..46176d2b70 100644
--- a/modules/exploits/windows/http/ca_arcserve_rpc_authbypass.rb
+++ b/modules/exploits/windows/http/ca_arcserve_rpc_authbypass.rb
@@ -114,7 +114,7 @@ class Metasploit3 < Msf::Exploit::Remote
 			}
 		report_auth_info(auth)
 
-		if user.nil? or pass.nil?
+		if user.nil? or pass.nil? or user.empty? or pass.empty?
 			print_error("Failed to collect the username and password")
 			return
 		end