diff --git a/YACReaderLibrary/comic_files_manager.cpp b/YACReaderLibrary/comic_files_manager.cpp
index f187aab6..0d2f3ef9 100644
--- a/YACReaderLibrary/comic_files_manager.cpp
+++ b/YACReaderLibrary/comic_files_manager.cpp
@@ -3,6 +3,8 @@
 #include <QFileInfo>
 #include <QDir>
 
+#include <QsLog.h>
+
 ComicFilesManager::ComicFilesManager(QObject *parent) :
     QObject(parent), canceled(false)
 {
@@ -27,6 +29,16 @@ void ComicFilesManager::process()
     int i=0;
     bool successProcesingFiles = false;
     foreach (QString source, comics) {
+
+        if(canceled)
+        {
+            if(successProcesingFiles)
+                emit success();
+            emit finished();
+
+            return; //TODO rollback?
+        }
+
         QFileInfo info(source);
         if(QFile::copy(source, QDir::cleanPath(folder+'/'+info.fileName())))
         {
@@ -46,5 +58,6 @@ void ComicFilesManager::process()
 
 void ComicFilesManager::cancel()
 {
-
+    QLOG_DEBUG() << "Operation canceled";
+    canceled = true;
 }
diff --git a/YACReaderLibrary/library_window.cpp b/YACReaderLibrary/library_window.cpp
index fb134107..36f1fd55 100644
--- a/YACReaderLibrary/library_window.cpp
+++ b/YACReaderLibrary/library_window.cpp
@@ -1335,6 +1335,8 @@ void LibraryWindow::processComicFiles(ComicFilesManager * comicFilesManager, QPr
 
     comicFilesManager->moveToThread(thread);
 
+    connect(progressDialog, SIGNAL(canceled()), comicFilesManager, SLOT(cancel()), Qt::DirectConnection);
+
     connect(thread, SIGNAL(started()), comicFilesManager, SLOT(process()));
     connect(comicFilesManager, SIGNAL(success()), this, SLOT(updateCopyMoveFolderDestination()));
     connect(comicFilesManager, SIGNAL(finished()), thread, SLOT(quit()));