diff --git a/src/github.com/matrix-org/dendrite/cmd/dendrite-federation-api-server/main.go b/src/github.com/matrix-org/dendrite/cmd/dendrite-federation-api-server/main.go
index f9576ce9..f4f19cdc 100644
--- a/src/github.com/matrix-org/dendrite/cmd/dendrite-federation-api-server/main.go
+++ b/src/github.com/matrix-org/dendrite/cmd/dendrite-federation-api-server/main.go
@@ -38,6 +38,8 @@ var (
 func main() {
 	common.SetupLogging(logDir)
 
+	flag.Parse()
+
 	if *configPath == "" {
 		log.Fatal("--config must be supplied")
 	}