diff --git a/src/eu/siacs/conversations/services/NotificationService.java b/src/eu/siacs/conversations/services/NotificationService.java
index 8eba49a9c..7a116ed46 100644
--- a/src/eu/siacs/conversations/services/NotificationService.java
+++ b/src/eu/siacs/conversations/services/NotificationService.java
@@ -1,7 +1,9 @@
 package eu.siacs.conversations.services;
 
 import java.util.ArrayList;
+import java.util.Iterator;
 import java.util.LinkedHashMap;
+import java.util.Map.Entry;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -130,7 +132,11 @@ public class NotificationService {
 								.getString(R.string.unread_conversations));
 				StringBuilder names = new StringBuilder();
 				Conversation conversation = null;
-				for (ArrayList<Message> messages : notifications.values()) {
+				Iterator<Entry<String, ArrayList<Message>>> it = notifications
+						.entrySet().iterator();
+				while (it.hasNext()) {
+					Entry<String, ArrayList<Message>> entry = it.next();
+					ArrayList<Message> messages = entry.getValue();
 					if (messages.size() > 0) {
 						conversation = messages.get(0).getConversation();
 						String name = conversation.getName();
@@ -142,6 +148,7 @@ public class NotificationService {
 						names.append(name);
 						names.append(", ");
 					}
+					it.remove();
 				}
 				if (names.length() >= 2) {
 					names.delete(names.length() - 2, names.length());