diff --git a/src/connection.cpp b/src/connection.cpp
index 9f167266..2e126a77 100644
--- a/src/connection.cpp
+++ b/src/connection.cpp
@@ -1843,8 +1843,9 @@ void ConnectionSendThread::sendPackets(float dtime)
 				<< m_outgoing_queue.size() << " pkts)" << std::endl);
 	}
 
+	unsigned int initial_queuesize = m_outgoing_queue.size();
 	/* send non reliable packets*/
-	for(unsigned int i=0;i < m_outgoing_queue.size();i++) {
+	for(unsigned int i=0;i < initial_queuesize;i++) {
 		OutgoingPacket packet = m_outgoing_queue.pop_front();
 
 		assert(!packet.reliable &&