diff --git a/src/index.js b/src/index.js
index e30e3f2..dd54436 100644
--- a/src/index.js
+++ b/src/index.js
@@ -40,5 +40,7 @@ class MCServer extends EventEmitter {
     this._server.on('error', error => this.emit('error',error));
     this._server.on('listening', () => this.emit('listening',this._server.socketServer.address().port));
     this.emit('asap');
+
+    process.on('unhandledRejection', err => this.emit('error',err));
   }
 }
\ No newline at end of file
diff --git a/src/lib/behavior.js b/src/lib/behavior.js
index c22fce6..f0274fd 100644
--- a/src/lib/behavior.js
+++ b/src/lib/behavior.js
@@ -19,14 +19,16 @@ module.exports = (obj) => {
     await obj.emitThen(eventName, data, cancelled, cancelCount).catch((err)=> setTimeout(() => {throw err;},0));
 
     if (!hiddenCancelled && !cancelled) {
-      resp = await func(data).catch((err)=> setTimeout(() => {throw err;},0));
+      resp = func(data);
+      if (resp instanceof Promise) resp = await resp.catch((err)=> setTimeout(() => {throw err;},0));
       if (typeof resp == 'undefined') resp = true;
     } else if (cancelFunc && defaultCancel) {
-      resp = await cancelFunc(data).catch((err)=> setTimeout(() => {throw err;},0));
+      resp = cancelFunc(data);
+      if (resp instanceof Promise) resp = await resp.catch((err)=> setTimeout(() => {throw err;},0));
       if (typeof resp == 'undefined') resp = false;
     }
-
     await obj.emitThen(eventName + '_done', data, cancelled).catch((err)=> setTimeout(() => {throw err;},0));
+
     return resp;
   }
 };
\ No newline at end of file
diff --git a/src/lib/plugins/entities.js b/src/lib/plugins/entities.js
index f4e4cf9..c373992 100644
--- a/src/lib/plugins/entities.js
+++ b/src/lib/plugins/entities.js
@@ -20,7 +20,7 @@ module.exports.server=function(serv,options) {
         }
         if (!entity.velocity || !entity.size) return;
         var posAndOnGround = await entity.calculatePhysics(delta);
-        if (entity.type == 'mob') entity.sendPosition(posAndOnGround);
+        if (entity.type == 'mob') entity.sendPosition(posAndOnGround.position, posAndOnGround.onGround);
       })
     ).catch((err)=> setTimeout(() => {throw err;},0));
   });
diff --git a/src/lib/plugins/tp.js b/src/lib/plugins/tp.js
index d6c7645..3dc2191 100644
--- a/src/lib/plugins/tp.js
+++ b/src/lib/plugins/tp.js
@@ -23,14 +23,15 @@ module.exports.player = (player, serv) => {
         let z = serv.posFromString(args[2], player.position.z / 32);
         
         player.teleport(new Vec3(x, y, z));
+
       } else if(args.length === 4) {
         let entities_from = player.selectorString(args[0]);
 
-        let x = serv.posFromString(args[1], player_from.x / 32);
-        let y = serv.posFromString(args[2], player_from.y / 32);
-        let z = serv.posFromString(args[3], player_from.z / 32);
-
-        entities_from.forEach(e => e.teleport(new Vec3(x, y, z)));
+        entities_from.forEach(e => e.teleport(new Vec3(
+          serv.posFromString(args[1], e.position.x / 32),
+          serv.posFromString(args[2], e.position.y / 32),
+          serv.posFromString(args[3], e.position.z / 32)
+        )));
       }
     }
   });
diff --git a/src/lib/plugins/updatePositions.js b/src/lib/plugins/updatePositions.js
index 997116a..55fe0af 100644
--- a/src/lib/plugins/updatePositions.js
+++ b/src/lib/plugins/updatePositions.js
@@ -64,17 +64,19 @@ module.exports.player=function(player)
   };
 
   player.teleport = async (position) => {
-    var notCancelled = await player.sendSelfPosition(position.scaled(32).floored(), false, true);
+    var notCancelled = await player.sendPosition(position.scaled(32).floored(), false, true);
     if (notCancelled) player.sendSelfPosition();
   }
 };
 
 module.exports.entity=function(entity,serv){
   entity.sendPosition = (position, onGround, teleport=false) => {
+    if (typeof position == 'undefined') throw new Error('undef');
     if (entity.position.equals(position) && entity.onGround == onGround) return Promise.resolve();
-    return entity.behavior(teleport ? 'teleport' : 'move', {
+    return entity.behavior('move', {
       position: position,
-      onGround: onGround
+      onGround: onGround,
+      teleport: teleport
     }, ({position,onGround}) => {
       var diff = position.minus(entity.position);
       if(diff.abs().x>127 || diff.abs().y>127 || diff.abs().z>127)
@@ -87,7 +89,7 @@ module.exports.entity=function(entity,serv){
           pitch: entity.pitch,
           onGround: onGround
         });
-      else if (diff.distanceTo(new Vec3(0, 0, 0)) != 0) serv._writeOthersNearby('rel_entity_move', {
+      else if (diff.distanceTo(new Vec3(0, 0, 0)) != 0) entity._writeOthersNearby('rel_entity_move', {
         entityId: entity.id,
         dX: diff.x,
         dY: diff.y,
@@ -119,7 +121,7 @@ module.exports.entity=function(entity,serv){
   };
 
   entity.teleport = (pos) => { // Overwritten in players inject above
-    entity.sendPosition(entity.position, false, true);
+    entity.sendPosition(pos.scaled(32), false, true);
   }
 
   function addVelocityWithMax(current, newVel, max) {