diff --git a/services/surfaceflinger/EventThread.cpp b/services/surfaceflinger/EventThread.cpp
index 7e0506b..2d3515e 100644
--- a/services/surfaceflinger/EventThread.cpp
+++ b/services/surfaceflinger/EventThread.cpp
@@ -389,7 +389,7 @@
 
 EventThread::Connection::Connection(
         const sp<EventThread>& eventThread)
-    : count(-1), mEventThread(eventThread), mChannel(new gui::BitTube())
+    : count(-1), mEventThread(eventThread), mChannel(new gui::BitTube(gui::BitTube::DefaultSize))
 {
 }