diff --git a/Extensions/BlockReplacePackets/src/main/java/extensions/blockreplacepackets/BlockAndReplacePackets.java b/Extensions/BlockReplacePackets/src/main/java/extensions/blockreplacepackets/BlockAndReplacePackets.java
index db62f0b..0e7337c 100644
--- a/Extensions/BlockReplacePackets/src/main/java/extensions/blockreplacepackets/BlockAndReplacePackets.java
+++ b/Extensions/BlockReplacePackets/src/main/java/extensions/blockreplacepackets/BlockAndReplacePackets.java
@@ -2,6 +2,7 @@ package extensions.blockreplacepackets;
 
 import extensions.blockreplacepackets.rules.BlockReplaceRule;
 import extensions.blockreplacepackets.rules.RuleFactory;
+import gearth.extensions.Extension;
 import gearth.protocol.HMessage;
 import gearth.protocol.HPacket;
 import gearth.ui.GEarthController;
@@ -173,7 +174,14 @@ public class BlockAndReplacePackets extends ExtensionForm {
 
     @Override
     protected void initExtension() {
-        intercept(HMessage.Side.TOSERVER, message -> System.out.println("just testing"));
+        Extension.MessageListener messageListener = message -> {
+            for (BlockReplaceRule rule : rules) {
+                rule.appendRuleToMessage(message);
+            }
+        };
+
+        intercept(HMessage.Side.TOSERVER, messageListener);
+        intercept(HMessage.Side.TOCLIENT, messageListener);
     }
 
     @Override
diff --git a/G-Earth/src/main/java/gearth/ui/UiLoggerController.java b/G-Earth/src/main/java/gearth/ui/UiLoggerController.java
index 327d5b8..8ae1a11 100644
--- a/G-Earth/src/main/java/gearth/ui/UiLoggerController.java
+++ b/G-Earth/src/main/java/gearth/ui/UiLoggerController.java
@@ -53,6 +53,7 @@ public class UiLoggerController implements Initializable {
             initialized = true;
             if (!appendLater.isEmpty()) {
                 appendLog(appendLater);
+                appendLater.clear();
             }
         }
 
diff --git a/G-Earth/src/main/java/gearth/ui/logger/loggerdisplays/UiLogger.java b/G-Earth/src/main/java/gearth/ui/logger/loggerdisplays/UiLogger.java
index 2855660..aea5c64 100644
--- a/G-Earth/src/main/java/gearth/ui/logger/loggerdisplays/UiLogger.java
+++ b/G-Earth/src/main/java/gearth/ui/logger/loggerdisplays/UiLogger.java
@@ -28,6 +28,7 @@ public class UiLogger implements PacketLogger {
                 for (Elem elem : appendLater) {
                     controller.appendMessage(elem.packet, elem.types);
                 }
+                appendLater.clear();
             }
 
             stage = new Stage();