diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt
index bd2475c..94069d4 100644
--- a/app/CMakeLists.txt
+++ b/app/CMakeLists.txt
@@ -9,15 +9,15 @@ set(plaYUver_App_SRCS
 # Main
     main.cpp
     plaYUVerApp.cpp
-    ViewArea.cpp
+    QualityHandle.cpp
     ModulesHandle.cpp
     PlaYUVerAppModuleIf.cpp
-    QualityMeasurement.cpp
     GridManager.cpp
     Settings.cpp
 # Sub Window
     SubWindowHandle.cpp
     VideoSubWindow.cpp
+    ViewArea.cpp
 # Dialogs
     AboutDialog.cpp
     ConfigureFormatDialog.cpp
diff --git a/app/QualityMeasurement.cpp b/app/QualityHandle.cpp
similarity index 99%
rename from app/QualityMeasurement.cpp
rename to app/QualityHandle.cpp
index 4d70466..31cea7c 100644
--- a/app/QualityMeasurement.cpp
+++ b/app/QualityHandle.cpp
@@ -24,7 +24,7 @@
 
 #include "lib/PlaYUVerDefs.h"
 #include <QtGui>
-#include "QualityMeasurement.h"
+#include "QualityHandle.h"
 #include "DialogSubWindowSelector.h"
 
 namespace plaYUVer
diff --git a/app/QualityMeasurement.h b/app/QualityHandle.h
similarity index 100%
rename from app/QualityMeasurement.h
rename to app/QualityHandle.h
diff --git a/app/plaYUVerApp.h b/app/plaYUVerApp.h
index 7be1c9c..2a45a5a 100644
--- a/app/plaYUVerApp.h
+++ b/app/plaYUVerApp.h
@@ -38,7 +38,7 @@
 #include "lib/PlaYUVerDefs.h"
 #include "SubWindowHandle.h"
 #include "VideoSubWindow.h"
-#include "QualityMeasurement.h"
+#include "QualityHandle.h"
 #include "ModulesHandle.h"
 #include "PropertiesSidebar.h"
 #include "AboutDialog.h"