diff --git a/src/pocketmine/resources/pocketmine.yml b/src/pocketmine/resources/pocketmine.yml
index 3b61bfd30..1d1f80ead 100644
--- a/src/pocketmine/resources/pocketmine.yml
+++ b/src/pocketmine/resources/pocketmine.yml
@@ -75,7 +75,7 @@ network:
  #Compression level used when sending batched packets. Higher = more CPU, less bandwidth usage
  compression-level: 7
  #Use AsyncTasks for compression. Adds half/one tick delay, less CPU load on main thread
- async-compression: true
+ async-compression: false
  #Experimental, only for Windows. Tries to use UPnP to automatically port forward
  upnp-forwarding: false