diff --git a/Pdf4QtLib/sources/pdfdocumentbuilder.cpp b/Pdf4QtLib/sources/pdfdocumentbuilder.cpp
index 13266f1..ad65d04 100644
--- a/Pdf4QtLib/sources/pdfdocumentbuilder.cpp
+++ b/Pdf4QtLib/sources/pdfdocumentbuilder.cpp
@@ -907,7 +907,7 @@ void PDFPageContentStreamBuilder::replaceResources(PDFObjectReference contentStr
                         {
                             // Jakub Melka: we must rename the item
                             QByteArray newSubkeyString = subkeyString;
-                            PDFInteger k = 0;
+                            int k = 0;
                             while (oldSd->hasKey(newSubkeyString))
                             {
                                 newSubkeyString = subkeyString + "_" + QByteArray::number(++k);
diff --git a/Pdf4QtLib/sources/pdfpagecontenteditorwidget.cpp b/Pdf4QtLib/sources/pdfpagecontenteditorwidget.cpp
index 471aae8..ed0bfcc 100644
--- a/Pdf4QtLib/sources/pdfpagecontenteditorwidget.cpp
+++ b/Pdf4QtLib/sources/pdfpagecontenteditorwidget.cpp
@@ -184,7 +184,7 @@ void PDFPageContentEditorWidget::updateItemsInListWidget()
             Q_ASSERT(element);
 
             QListWidgetItem* item = new QListWidgetItem(element->getDescription());
-            item->setData(Qt::UserRole, elementId);
+            item->setData(Qt::UserRole, int(elementId));
 
             ui->itemsListWidget->addItem(item);
         }