diff --git a/src/kitemviews/kfileitemlistview.cpp b/src/kitemviews/kfileitemlistview.cpp
--- a/src/kitemviews/kfileitemlistview.cpp
+++ b/src/kitemviews/kfileitemlistview.cpp
@@ -155,7 +155,7 @@
         yCount = xCount;
     }
 
-    const qreal dpr = scene()->views()[0]->devicePixelRatio();
+    const qreal dpr = scene()->views()[0]->devicePixelRatioF();
     // Draw the selected items into the grid cells.
     QPixmap dragPixmap(QSize(xCount * size + xCount, yCount * size + yCount) * dpr);
     dragPixmap.setDevicePixelRatio(dpr);
diff --git a/src/kitemviews/kfileitemmodelrolesupdater.cpp b/src/kitemviews/kfileitemmodelrolesupdater.cpp
--- a/src/kitemviews/kfileitemmodelrolesupdater.cpp
+++ b/src/kitemviews/kfileitemmodelrolesupdater.cpp
@@ -552,6 +552,7 @@
         }
     }
 
+    scaledPixmap.setDevicePixelRatio(qApp->devicePixelRatio());
     data.insert("iconPixmap", scaledPixmap);
 
     disconnect(m_model, &KFileItemModel::itemsChanged,
diff --git a/src/kitemviews/kitemlistwidget.cpp b/src/kitemviews/kitemlistwidget.cpp
--- a/src/kitemviews/kitemlistwidget.cpp
+++ b/src/kitemviews/kitemlistwidget.cpp
@@ -368,8 +368,8 @@
 QPixmap KItemListWidget::createDragPixmap(const QStyleOptionGraphicsItem* option,
                                           QWidget* widget)
 {
-    QPixmap pixmap(size().toSize() * widget->devicePixelRatio());
-    pixmap.setDevicePixelRatio(widget->devicePixelRatio());
+    QPixmap pixmap(size().toSize() * widget->devicePixelRatioF());
+    pixmap.setDevicePixelRatio(widget->devicePixelRatioF());
     pixmap.fill(Qt::transparent);
 
     QPainter painter(&pixmap);
diff --git a/src/kitemviews/kstandarditemlistwidget.cpp b/src/kitemviews/kstandarditemlistwidget.cpp
--- a/src/kitemviews/kstandarditemlistwidget.cpp
+++ b/src/kitemviews/kstandarditemlistwidget.cpp
@@ -993,7 +993,7 @@
 
     if (!m_overlay.isNull()) {
         QPainter painter(&m_pixmap);
-        painter.drawPixmap(0, (m_pixmap.height() - m_overlay.height()) / m_pixmap.devicePixelRatio(), m_overlay);
+        painter.drawPixmap(0, (m_pixmap.height() - m_overlay.height()) / m_pixmap.devicePixelRatioF(), m_overlay);
     }
 
     int scaledIconSize = 0;