diff --git a/src/de/diddiz/LogBlock/Config.java b/src/de/diddiz/LogBlock/Config.java
index 4142bc6..3b0d257 100644
--- a/src/de/diddiz/LogBlock/Config.java
+++ b/src/de/diddiz/LogBlock/Config.java
@@ -25,13 +25,12 @@ public class Config
 	public final boolean logBlockCreations, logBlockDestroyings, logSignTexts, logExplosions, logFire, logLeavesDecay, logLavaFlow, logChestAccess, logButtonsAndLevers, logKills;
 	public final boolean logCreeperExplosionsAsPlayerWhoTriggeredThese;
 	public final LogKillsLevel logKillsLevel;
-	public final Set<Integer> dontRollback;
-	public final Set<Integer> replaceAnyway;
+	public final Set<Integer> dontRollback, replaceAnyway;
 	public final QueryParams toolQuery, toolBlockQuery;
 	public final int defaultDist, defaultTime;
 	public final int toolID, toolblockID;
 	public final boolean askRollbacks, askRedos, askClearLogs, askSavequeueBeforeRollback;
-	public final Set<Integer> hiddenPlayers;
+	public final Set<Integer> hiddenPlayers, hiddenBlocks;
 
 	public static enum LogKillsLevel {
 		PLAYERS, MONSTERS, ANIMALS
@@ -108,6 +107,8 @@ public class Config
 			config.setProperty("logging.logKillsLevel", "PLAYERS");
 		if (!subkeys.contains("hiddenPlayers"))
 			config.setProperty("logging.hiddenPlayers", new ArrayList<String>());
+		if (!subkeys.contains("hiddenBlocks"))
+			config.setProperty("logging.hiddenBlocks", Arrays.asList(new Integer[]{0}));
 		subkeys = config.getKeys("rollback");
 		if (subkeys == null)
 			subkeys = new ArrayList<String>();
@@ -173,6 +174,14 @@ public class Config
 		hiddenPlayers = new HashSet<Integer>();
 		for (final String playerName : config.getStringList("logging.hiddenPlayers", new ArrayList<String>()))
 			hiddenPlayers.add(playerName.hashCode());
+		hiddenBlocks = new HashSet<Integer>();
+		for (final String blocktype : config.getStringList("logging.hiddenBlocks", new ArrayList<String>())) {
+			final Material mat = Material.matchMaterial(blocktype);
+			if (mat != null)
+				hiddenBlocks.add(mat.getId());
+			else
+				throw new DataFormatException("Not a valid material: '" + blocktype + "'");
+		}
 		dontRollback = new HashSet<Integer>(config.getIntList("rollback.dontRollback", null));
 		replaceAnyway = new HashSet<Integer>(config.getIntList("rollback.replaceAnyway", null));
 		try {
diff --git a/src/de/diddiz/LogBlock/Consumer.java b/src/de/diddiz/LogBlock/Consumer.java
index 82b09db..9ecdc62 100644
--- a/src/de/diddiz/LogBlock/Consumer.java
+++ b/src/de/diddiz/LogBlock/Consumer.java
@@ -29,7 +29,7 @@ public class Consumer extends TimerTask
 {
 	private final Queue<BlockRow> bqueue = new LinkedBlockingQueue<BlockRow>();
 	private final Config config;
-	private final Set<Integer> hiddenplayers;
+	private final Set<Integer> hiddenPlayers, hiddenBlocks;
 	private final Queue<KillRow> kqueue = new LinkedBlockingQueue<KillRow>();
 	private final Map<Integer, Integer> lastAttackedEntity = new HashMap<Integer, Integer>();
 	private final Map<Integer, Long> lastAttackTime = new HashMap<Integer, Long>();
@@ -41,7 +41,8 @@ public class Consumer extends TimerTask
 		this.logblock = logblock;
 		log = logblock.getServer().getLogger();
 		config = logblock.getConfig();
-		hiddenplayers = config.hiddenPlayers;
+		hiddenPlayers = config.hiddenPlayers;
+		hiddenBlocks = config.hiddenBlocks;
 	}
 
 	/**
@@ -312,11 +313,11 @@ public class Consumer extends TimerTask
 
 	boolean hide(Player player) {
 		final int hash = player.getName().hashCode();
-		if (hiddenplayers.contains(hash)) {
-			hiddenplayers.remove(hash);
+		if (hiddenPlayers.contains(hash)) {
+			hiddenPlayers.remove(hash);
 			return false;
 		}
-		hiddenplayers.add(hash);
+		hiddenPlayers.add(hash);
 		return true;
 	}
 
@@ -331,7 +332,9 @@ public class Consumer extends TimerTask
 	}
 
 	private void queueBlock(String playerName, Location loc, int typeBefore, int typeAfter, byte data, String signtext, ChestAccess ca) {
-		if (playerName == null || loc == null || typeBefore < 0 || typeAfter < 0 || hiddenplayers.contains(playerName.hashCode()) || !config.tables.containsKey(loc.getWorld().getName().hashCode()))
+		if (playerName == null || loc == null || typeBefore < 0 || typeAfter < 0 || hiddenPlayers.contains(playerName.hashCode()) || !config.tables.containsKey(loc.getWorld().getName().hashCode()))
+			return;
+		if (typeBefore != typeAfter && hiddenBlocks.contains(typeBefore) && hiddenBlocks.contains(typeAfter))
 			return;
 		if (playerName.length() > 32)
 			playerName = playerName.substring(0, 32);