diff --git a/BauSystem_15/src/de/steamwar/bausystem/tracer/PlayerTraceCache_15.java b/BauSystem_15/src/de/steamwar/bausystem/tracer/PlayerTraceCache_15.java
index 922cc31..1af3c95 100644
--- a/BauSystem_15/src/de/steamwar/bausystem/tracer/PlayerTraceCache_15.java
+++ b/BauSystem_15/src/de/steamwar/bausystem/tracer/PlayerTraceCache_15.java
@@ -25,6 +25,11 @@ public class PlayerTraceCache_15 {
 
     private boolean hiding = false;
 
+    private PlayerTraceCache_15 instance;
+    {
+        instance = this;
+    }
+
     public PlayerTraceCache_15() {
         this.pLocation = new float[]{0.0F, 0.0F, 0.0F};
     }
@@ -52,7 +57,14 @@ public class PlayerTraceCache_15 {
     }
 
     public void show(Player player, TNTCallbackShow.ShowMode showMode) {
-        if (hiding) return;
+        if (hiding) {
+            try {
+                instance.wait(1000);
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+            }
+            if (hiding) return;
+        }
         if (positions.length == 0 || positions.length % 3 != 0) return;
         for (int i = 0; i < positions.length; i += 3) {
             float x = positions[i + 0];
@@ -86,7 +98,7 @@ public class PlayerTraceCache_15 {
         }
     }
 
-    public synchronized void hide(Player player) {
+    public void hide(Player player) {
         hiding = true;
         if (positions.length == 0 || positions.length % 3 != 0) return;
         for (int i = 0; i < positions.length; i += 3) {
@@ -107,6 +119,7 @@ public class PlayerTraceCache_15 {
         }
         updatePoints = new float[0];
         hiding = false;
+        instance.notifyAll();
     }
 
     private static void showCorner(Player player, float x, float y, float z, Particle particle) {
diff --git a/BauSystem_Main/src/de/steamwar/bausystem/commands/CommandTrace.java b/BauSystem_Main/src/de/steamwar/bausystem/commands/CommandTrace.java
index 2f6ae1f..70bea5d 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/commands/CommandTrace.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/commands/CommandTrace.java
@@ -133,7 +133,6 @@ public class CommandTrace implements CommandExecutor {
                         case "particle":
                         case "particles":
                             TNTTracer15.hideBlockTraces(player);
-                            ShowManager.get(player).show();
                             ShowManager.get(player).setShowMode(ShowStatus.ShowMode.PARTICLE);
                             break;
                         default: