diff --git a/receiver/ubx_packetizer.py b/receiver/ubx_packetizer.py
index cd71277..f02d04d 100644
--- a/receiver/ubx_packetizer.py
+++ b/receiver/ubx_packetizer.py
@@ -28,13 +28,14 @@ class UbxPacketizer(MsgSink, MsgSource):
 				self.d_save = struct.pack('B', d)
 				self.sync_count += 1
 				if self.sync_count == len(self.sync_bytes):
-					print("UBX-sync")
-					self.d_save = b''
-					self.timestamp = msg.timestamp
 					self.sync_count = 0
+					self.d_save = b''
 					self.packet = b''
 					self.wait_sync = False
+					self.timestamp = msg.timestamp
+					print("UBX-sync")
 			else:
+				self.sync_count = 0
 				self.packet += self.d_save
 				self.d_save = b''
 				if not self.wait_sync:
@@ -67,5 +68,5 @@ if __name__ == "__main__":
 	pkt.register_recv(ubx_rx)
 
 	pkt.reset()
-	frame = frame_create(_class=1, _id=2, _data=b'Hallo') + frame_create(_class=1, _id=2, _data=b',') + frame_create(_class=1, _id=2, _data=b'UBX') + frame_create(_class=1, _id=2, _data=b'World')
+	frame = frame_create(_class=1, _id=2, _data=b'Hallo' + b'\xb5' + b',\x62Welt') + frame_create(_class=1, _id=2, _data=b',') + frame_create(_class=1, _id=2, _data=b'UBX') + frame_create(_class=1, _id=2, _data=b'World')
 	pkt.on_recv(MsgContainer('test', 31101970.0208, frame))