diff --git a/imageviewer-qt4.cpp b/imageviewer-qt4.cpp
index 0763e8e..1937913 100644
--- a/imageviewer-qt4.cpp
+++ b/imageviewer-qt4.cpp
@@ -493,7 +493,8 @@ void ImageViewer::applyBasicFilter() {
       logFile << "[" << i << "," << j << "] -> " << current_data << "  ";
     }
     logFile << std::endl;
-  }  
+  }
+  logFile << "Beginning calculation ... " << std::endl;
   renewLogging();
   
   int h, s, l;