diff --git a/src/eu/siacs/conversations/parser/PresenceParser.java b/src/eu/siacs/conversations/parser/PresenceParser.java
index d946f3339d5f84ac75bab000e7e844be23c33e07..cf55f61fb4c7cfb8a33c60ae2be8c5ff4eef9931 100644
--- a/src/eu/siacs/conversations/parser/PresenceParser.java
+++ b/src/eu/siacs/conversations/parser/PresenceParser.java
@@ -73,7 +73,7 @@ public class PresenceParser extends AbstractParser {
 					}
 					updateLastseen(packet, account,true);
 					mXmppConnectionService.onContactStatusChanged
-							.onContactStatusChanged(contact);
+							.onContactStatusChanged(contact,true);
 				}
 			} else if (type.equals("unavailable")) {
 				if (fromParts.length != 2) {
@@ -82,7 +82,7 @@ public class PresenceParser extends AbstractParser {
 					contact.removePresence(fromParts[1]);
 				}
 				mXmppConnectionService.onContactStatusChanged
-						.onContactStatusChanged(contact);
+						.onContactStatusChanged(contact,false);
 			} else if (type.equals("subscribe")) {
 				if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
 					mXmppConnectionService.sendPresenceUpdatesTo(contact);
diff --git a/src/eu/siacs/conversations/services/XmppConnectionService.java b/src/eu/siacs/conversations/services/XmppConnectionService.java
index 16814baa3039d43aa84a7b66d0c6ed7d39b5482e..20268574ddb1bb0d8d41102e3e7c488d94e78ea7 100644
--- a/src/eu/siacs/conversations/services/XmppConnectionService.java
+++ b/src/eu/siacs/conversations/services/XmppConnectionService.java
@@ -98,10 +98,13 @@ public class XmppConnectionService extends Service {
 	public OnContactStatusChanged onContactStatusChanged = new OnContactStatusChanged() {
 
 		@Override
-		public void onContactStatusChanged(Contact contact) {
+		public void onContactStatusChanged(Contact contact, boolean online) {
 			Conversation conversation = findActiveConversation(contact);
 			if (conversation != null) {
 				conversation.endOtrIfNeeded();
+				if (online&&(contact.getPresences().size() == 1)) {
+					sendUnsendMessages(conversation);
+				}
 			}
 		}
 	};
diff --git a/src/eu/siacs/conversations/xmpp/OnContactStatusChanged.java b/src/eu/siacs/conversations/xmpp/OnContactStatusChanged.java
index 8597a753a77a11ead337980b96b3ca4c3f498239..849e8e7646d2ed8dc8be358e5928c4e61cff6519 100644
--- a/src/eu/siacs/conversations/xmpp/OnContactStatusChanged.java
+++ b/src/eu/siacs/conversations/xmpp/OnContactStatusChanged.java
@@ -3,5 +3,5 @@ package eu.siacs.conversations.xmpp;
 import eu.siacs.conversations.entities.Contact;
 
 public interface OnContactStatusChanged {
-	public void onContactStatusChanged(Contact contact);
+	public void onContactStatusChanged(Contact contact, boolean online);
 }