diff --git a/src/com/massivecraft/mcore/InternalListener.java b/src/com/massivecraft/mcore/InternalListener.java
index f308a412..76dee661 100644
--- a/src/com/massivecraft/mcore/InternalListener.java
+++ b/src/com/massivecraft/mcore/InternalListener.java
@@ -170,7 +170,7 @@ public class InternalListener implements Listener
 		if (cause != DamageCause.BLOCK_EXPLOSION) return;
 		
 		// ... and that explosion is a fake ...
-		if (SmokeUtil.fakeExplosion == false) return;
+		if (!SmokeUtil.fakeExplosion.booleanValue()) return;
 		
 		// ... then cancel the event and the damage.
 		event.setCancelled(true);
diff --git a/src/com/massivecraft/mcore/util/SmokeUtil.java b/src/com/massivecraft/mcore/util/SmokeUtil.java
index b8a6886e..370519c0 100644
--- a/src/com/massivecraft/mcore/util/SmokeUtil.java
+++ b/src/com/massivecraft/mcore/util/SmokeUtil.java
@@ -3,6 +3,7 @@ package com.massivecraft.mcore.util;
 import java.util.Collection;
 import java.util.Random;
 
+import org.apache.commons.lang.mutable.MutableBoolean;
 import org.bukkit.Effect;
 import org.bukkit.Location;
 
@@ -89,14 +90,14 @@ public class SmokeUtil
 		fakeExplosion(location, 4F);
 	}
 	
-	public static Boolean fakeExplosion = false;
+	public static MutableBoolean fakeExplosion = new MutableBoolean(false);
 	public static void fakeExplosion(Location location, float power)
 	{
 		synchronized (fakeExplosion)
 		{
-			fakeExplosion = true;
+			fakeExplosion.setValue(true);
 			location.getWorld().createExplosion(location.getX(), location.getY(), location.getZ(), power, false, false);
-			fakeExplosion = false;
+			fakeExplosion.setValue(false);
 		}
 	}
 	
diff --git a/src/com/massivecraft/mcore/util/TimeUnit.java b/src/com/massivecraft/mcore/util/TimeUnit.java
index b008654f..9411b9c6 100644
--- a/src/com/massivecraft/mcore/util/TimeUnit.java
+++ b/src/com/massivecraft/mcore/util/TimeUnit.java
@@ -148,4 +148,10 @@ public class TimeUnit implements Comparable<TimeUnit>
 		return this.millis == ((TimeUnit)other).millis;
 	}
 	
+	@Override
+	public final int hashCode()
+	{
+	    return (int)(this.millis^(this.millis>>>32));
+	}
+	
 }