diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 1f30c2f..effe486 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -427,15 +427,15 @@ void MainWindow::frameSaved( FlyCapture2::Image * image ) {
     }
 
     ui->buffer->display( image_buffer->length() );
+    comm.sendBuffer( image_buffer->length() );
+
     if ( status == STOPPING && image_buffer->empty() )
         startStopRecording();
 
-    comm.sendBuffer( image_buffer->length() );
     m.unlock();
 }
 
 void MainWindow::setLcd() {
-    qDebug() << "setting lcd";
     ui->framesCaptured->display( recorder.frameNumber() );
     ui->timeCaptured->display( QString( "%1:%2" ).arg( ( ( ( int )recorder.timeCaptured() ) / 60 ) ).arg( ( int )recorder.timeCaptured() % 60 ) );
 }
diff --git a/src/serialcommunicator.h b/src/serialcommunicator.h
index de92430..7490bd1 100644
--- a/src/serialcommunicator.h
+++ b/src/serialcommunicator.h
@@ -39,7 +39,7 @@ class SerialCommunicator : public QObject {
 
         void sendBuffer( int buff ) {
             if ( lastBuff != buff )
-                write( QByteArray( "B" ) + QString::number( buff ).toUtf8() );
+                write( QByteArray( "B:" ) + QString::number( buff ).toUtf8() );
         }
 
     private: