--- a/src/Network/Server.cc	Thu Dec 04 23:43:17 2008 +0000
+++ b/src/Network/Server.cc	Thu Dec 04 23:44:45 2008 +0000
@@ -152,7 +152,7 @@
 void NetworkServerPlayer::send_position_update (void) {
     NetworkPacket pkt;
     
-    int flags = (inAir & NETWORK_PHYSICS_INAIR) | (facingRight & NETWORK_PHYSICS_FACE_RIGHT);
+    int flags = (inAir ? NETWORK_PHYSICS_INAIR : 0) | (facingRight ? NETWORK_PHYSICS_FACE_RIGHT : 0);
 
     pkt.write_vector(position);
     pkt.write_vector(velocity);