2 files changed, 6 insertions, 3 deletions
diff --git a/Swiften/Whiteboard/IncomingWhiteboardSession.cpp b/Swiften/Whiteboard/IncomingWhiteboardSession.cpp
index d3580e1..de7bd34 100644
--- a/Swiften/Whiteboard/IncomingWhiteboardSession.cpp
+++ b/Swiften/Whiteboard/IncomingWhiteboardSession.cpp
@@ -31,7 +31,9 @@ namespace Swift {
 	void IncomingWhiteboardSession::handleIncomingOperation(WhiteboardOperation::ref operation) {
 		WhiteboardClient::Result pairResult = client.handleServerOperationReceived(operation);
 		if (pairResult.client) {
-			onOperationReceived(pairResult.client);
+			if (pairResult.client->getPos() != -1) {
+				onOperationReceived(pairResult.client);
+			}
 			lastOpID = pairResult.client->getID();
 		}
 
diff --git a/Swiften/Whiteboard/OutgoingWhiteboardSession.cpp b/Swiften/Whiteboard/OutgoingWhiteboardSession.cpp
index 63e4476..7debbe0 100644
--- a/Swiften/Whiteboard/OutgoingWhiteboardSession.cpp
+++ b/Swiften/Whiteboard/OutgoingWhiteboardSession.cpp
@@ -40,8 +40,9 @@ namespace Swift {
 
 	void OutgoingWhiteboardSession::handleIncomingOperation(WhiteboardOperation::ref operation) {
 		WhiteboardOperation::ref op = server.handleClientOperationReceived(operation);
-
-		onOperationReceived(op);
+		if (op->getPos() != -1) {
+			onOperationReceived(op);
+		}
 		lastOpID = op->getID();
 
 		WhiteboardPayload::ref payload = boost::make_shared<WhiteboardPayload>();