diff --git a/Togetic/Blender/PositionController.py b/Togetic/Blender/PositionController.py
index b7c6560..3731d50 100644
--- a/Togetic/Blender/PositionController.py
+++ b/Togetic/Blender/PositionController.py
@@ -1,5 +1,6 @@
 import mathutils
 import time
+import math
 
 from Togetic.shm import shm
 from Togetic.Blender.Receiver import Receiver
@@ -25,7 +26,7 @@ def run(self):
             self._owner.worldPosition = self._initPosition \
                     + mathutils.Vector((x, y, z))
             ori = self._owner.orientation.to_euler()
-            ori.x = theta
+            ori.x = -theta + math.pi / 2
             ori.y = -phy
             ori.z = psy
             self._owner.orientation = ori
diff --git a/Togetic/Server/AbstractServer.py b/Togetic/Server/AbstractServer.py
index 05c0a7e..e2a9c8e 100644
--- a/Togetic/Server/AbstractServer.py
+++ b/Togetic/Server/AbstractServer.py
@@ -1,5 +1,6 @@
 import sys
 import threading
+import time
 
 class AbstractServer(threading.Thread):
     def __init__(self):
@@ -39,6 +40,7 @@ def run(self):
         while self._running:
             try:
                 self._serve()
+                time.sleep(0.005)
             except Exception as e:
                 # print('Server `', self, '` stopped by an exception :', e, file=sys.stderr)
                 self.stop()