diff --git a/src/main/java/de/strifel/VTools/listeners/TGBridge.java b/src/main/java/de/strifel/VTools/listeners/TGBridge.java
index 7c11bbd..575c605 100644
--- a/src/main/java/de/strifel/VTools/listeners/TGBridge.java
+++ b/src/main/java/de/strifel/VTools/listeners/TGBridge.java
@@ -40,6 +40,7 @@ import java.util.function.BiConsumer;
 import java.util.stream.Collectors;
 
 public class TGBridge {
+    private static final long MINUTE = 60_000;
     private final VTools plugin;
     private final ProxyServer server;
     @SuppressWarnings("java:S3008")
@@ -505,13 +506,16 @@ public class TGBridge {
     private class JoinLeftAnnounceMessage {
         private int messageId;
         private long time;
+        private long timeMinute;
 
         private StringBuilder text;
         private boolean abort = false;
 
         boolean isValid() {
             if (abort || messageId < 1) return false;
-            long dt = System.currentTimeMillis() - time;
+            long current = System.currentTimeMillis();
+            if (current / MINUTE != timeMinute) return false;
+            long dt = current - time;
             return dt <= 30_000 && dt >= 0;
         }
 
@@ -522,6 +526,7 @@ public class TGBridge {
         protected JoinLeftAnnounceMessage(String firstMessage) {
             text = new StringBuilder(firstMessage);
             time = System.currentTimeMillis();
+            timeMinute = time/MINUTE;
             sendAnnounceMessage();
         }
 
@@ -548,7 +553,9 @@ public class TGBridge {
         protected JoinLeftAnnounceMessage() {
             messageId = 0;
             time = 0;
+            timeMinute = 0;
             text = new StringBuilder();
+            abort = false;
         } //dummy
 
         private void addLines(List<String> messages) {