diff --git a/source/app/PropertiesSidebar.cpp b/source/app/PropertiesSidebar.cpp
index cb269bf..428cffa 100755
--- a/source/app/PropertiesSidebar.cpp
+++ b/source/app/PropertiesSidebar.cpp
@@ -554,7 +554,8 @@ void FramePropertiesSideBar::slotUpdateDataHistogram()
     // If a selection area is done in Image Editor and if the current
     // image is the same in Image Viewer, then compute too the histogram
     // for this selection.
-    histogramWidget->updateData( m_pcFrame, NULL );
+    // New frame required to separate from the thread
+    histogramWidget->updateData( new PlaYUVerFrame(m_pcFrame), NULL );
     fullImageButton->hide();
     selectionImageButton->hide();
   }
diff --git a/source/app/plaYUVerApp.cpp b/source/app/plaYUVerApp.cpp
index 26e4891..dec355e 100644
--- a/source/app/plaYUVerApp.cpp
+++ b/source/app/plaYUVerApp.cpp
@@ -230,6 +230,7 @@ void plaYUVerApp::closeAll()
 
 void plaYUVerApp::selectModule( QAction *curr_action )
 {
+  m_pcFrameProperties->stopHistogram();
   SubWindowHandle *interfaceChild = m_pcModulesHandle->toggleSelectedModuleIf();
   if( interfaceChild )
   {