diff --git a/http2/server.go b/http2/server.go
index b1c32eb..4bb0d66 100644
--- a/http2/server.go
+++ b/http2/server.go
@@ -400,7 +400,7 @@
 	if s.NewWriteScheduler != nil {
 		sc.writeSched = s.NewWriteScheduler()
 	} else {
-		sc.writeSched = NewRandomWriteScheduler()
+		sc.writeSched = NewPriorityWriteScheduler(nil)
 	}
 
 	// These start at the RFC-specified defaults. If there is a higher