diff --git a/lib/protocol.js b/lib/protocol.js
index 0d2f984..b660973 100644
--- a/lib/protocol.js
+++ b/lib/protocol.js
@@ -1173,7 +1173,7 @@ function get(packetId, toServer) {
 function createPacketBuffer(packetId, params, isServer) {
   var size = 1;
   var fields = [ new UByteWriter(packetId) ];
-  var packet = get(packetId, isServer);
+  var packet = get(packetId, !isServer);
   packet.forEach(function(fieldInfo) {
     var value = params[fieldInfo.name];
     var Writer = types[fieldInfo.type][1];
@@ -1196,7 +1196,7 @@ function parsePacket(buffer, isServer) {
   var packetId = buffer.readUInt8(0);
   var size = 1;
   var results = { id: packetId };
-  var packetInfo = get(packetId, !isServer);
+  var packetInfo = get(packetId, isServer);
   assert.ok(packetInfo, "Unrecognized packetId: " + packetId);
   var i, fieldInfo, read, readResults;
   for (i = 0; i < packetInfo.length; ++i) {
diff --git a/test/test.js b/test/test.js
index ee24f41..9b401b3 100644
--- a/test/test.js
+++ b/test/test.js
@@ -359,6 +359,9 @@ describe("client", function() {
           done();
         }, SURVIVE_TIME);
       });
+      client.on(0x0d, function(packet) {
+        assert.ok(packet.stance > packet.y, "stance should be > y");
+      });
     });
   });
 });