diff --git a/README.md b/README.md
index a8ae8d02..717fc6d5 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ __Zote Core__ — серверное ядро, основанное на Inner C
 Запустите собранное ядро, открыв консоль в папке с ним:
 
 ```sh
-java -jar ZoteCore-SNAPSHOT.jar
+java -jar ZoteCore-SNAPSHOT.jar -XX:MaxRAMPercentage=95.0 --add-opens java.base/jdk.internal.loader=ALL-UNNAMED
 ```
 
 ## Конфигурация
diff --git a/src/main/java/com/reider745/world/BlockSourceMethods.java b/src/main/java/com/reider745/world/BlockSourceMethods.java
index 5bea7839..cd5ac0c5 100644
--- a/src/main/java/com/reider745/world/BlockSourceMethods.java
+++ b/src/main/java/com/reider745/world/BlockSourceMethods.java
@@ -187,14 +187,10 @@ public class BlockSourceMethods {
 
     public static void explode(Level level, float x, float y, float z, float power, boolean fire) {
         final Block block = level.getBlock((int) x, (int) y, (int) z);
-        final BlockExplosionPrimeEvent event = new BlockExplosionPrimeEvent(block, power, 0d);
+        final BlockExplosionPrimeEvent event = new BlockExplosionPrimeEvent(block, power,  fire ? .4 : 0d);
         event.setIncendiary(fire);
 
-        synchronized (EventListener.DEALING_LOCK) {
-            EventListener.dealingEvent = event;
-            Server.getInstance().getPluginManager().callEvent(event);
-            EventListener.dealingEvent = null;
-        }
+        Server.getInstance().getPluginManager().callEvent(event);
 
         if (event.isCancelled()) {
             return;
diff --git a/src/main/java/com/zhekasmirnov/innercore/api/runtime/Updatable.java b/src/main/java/com/zhekasmirnov/innercore/api/runtime/Updatable.java
index 74f34a49..78e8bc42 100644
--- a/src/main/java/com/zhekasmirnov/innercore/api/runtime/Updatable.java
+++ b/src/main/java/com/zhekasmirnov/innercore/api/runtime/Updatable.java
@@ -104,6 +104,11 @@ public class Updatable {
     private Context currentContext = null;
 
     private void executeUpdateWithContext(Context ctx, ScriptableObject obj) {
+        if(shouldBeRemoved(obj)){
+            postedRemovedUpdatables.add(obj);
+            return;
+        }
+
         Object _update = obj.get("update", obj);
         try {
             Function update = (Function) _update;
@@ -125,10 +130,6 @@ public class Updatable {
             }
             return;
         }
-
-        if (shouldBeRemoved(obj)) {
-            postedRemovedUpdatables.add(obj);
-        }
     }
 
     private boolean executeUpdate(ScriptableObject obj) {
@@ -141,7 +142,9 @@ public class Updatable {
             TickExecutor.getInstance().execute(new Runnable() {
                 @Override
                 public void run() {
-                    executeUpdateWithContext(Compiler.assureContextForCurrentThread(), obj);
+                    synchronized (obj) {
+                        executeUpdateWithContext(Compiler.assureContextForCurrentThread(), obj);
+                    }
                 }
             });
         } else {