diff --git a/CHANGELOG b/CHANGELOG
index dfdda2b..cc5d941 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,7 @@
 NEWVERSION - DATE
 - Upgraded Forge to 10.13.4.1558.
+- First server pack built using Forge Universal.
+- Turned off Factorization BlockUndo (makes multiplayer connections unreliable).
 
 Version 0.03 - 9-Nov-2015
 - Factorization: Disable Colossi.
diff --git a/config-source/factorization.cfg b/config-source/factorization.cfg
index 80da3cb..e217169 100644
--- a/config-source/factorization.cfg
+++ b/config-source/factorization.cfg
@@ -106,10 +106,10 @@ server {
     B:barkRecipes=true
 
     # If true, then recently placed blocks break easily
-    B:blockUndo=true
+    B:blockUndo=false
 
     # If true, then blocks broken with blockundo will be instantly picked up
-    B:blockUndoGrab=true
+    B:blockUndoGrab=false
 
     # If false, water must be piped in
     B:boilersSuckWater=true