1 files changed, 2 insertions, 0 deletions
diff --git a/main.go b/main.go
index 105d798..14ec229 100644
--- a/main.go
+++ b/main.go
@@ -185,6 +185,8 @@ func main() {
 				conn = &irc.IRC{}
 			case "xmpp":
 				conn = &xmpp.XMPP{}
+			default:
+				log.Fatalf("Invalid protocol %s", params.Protocol)
 			}
 			account := &appservice.Account{
 				MatrixUser: fmt.Sprintf("@%s:%s", user, config.MatrixDomain),