diff --git a/src/protocol.js b/src/protocol.js
index 48c2c0c..5d14349 100644
--- a/src/protocol.js
+++ b/src/protocol.js
@@ -1095,14 +1095,17 @@ function readBool(buffer, offset) {
 }
 
 function readPosition(buffer, offset) {
-  var longVal = readLong(buffer, offset).value; // I wish I could do destructuring...
-  var x = longVal[0] >> 6;
-  var y = ((longVal[0] & 0x3F) << 6) | ((longVal[1] >> 26) & 0x3f);
-  var z = longVal[1] & 0x3FFFFFF;
-  return {
-    value: { x: x, y: y, z: z },
-    size: 8
-  };
+    var longVal = readLong(buffer, offset).value; // I wish I could do destructuring...
+    var x = longVal[0] >> 6;
+    if(x>33554432) x-=67108864;
+    var y = ((longVal[0] & 0x3F) << 6) | ((longVal[1] >> 26) & 0x3f);
+    if(y>2048) y-=4096;
+    var z = longVal[1] & 0x3FFFFFF;
+    if(z>33554432) z-=67108864;
+    return {
+        value: { x: x, y: y, z: z },
+        size: 8
+    };
 }
 
 function readSlot(buffer, offset) {