diff --git a/src/panels/information/informationpanelcontent.cpp b/src/panels/information/informationpanelcontent.cpp
--- a/src/panels/information/informationpanelcontent.cpp
+++ b/src/panels/information/informationpanelcontent.cpp
@@ -195,10 +195,12 @@
         m_outdatedPreviewTimer->start();
     }
 
+    // PreviewJob does not support devicePixelRatio
+    // manually compute size according to devicePixelRatioF
+    auto size = QSize(qRound(m_preview->width() * devicePixelRatioF()),
+                      qRound(m_preview->height() * devicePixelRatioF()));
     QStringList plugins = KIO::PreviewJob::availablePlugins();
-    m_previewJob = new KIO::PreviewJob(KFileItemList() << m_item,
-                                       QSize(m_preview->width(), m_preview->height()),
-                                       &plugins);
+    m_previewJob = new KIO::PreviewJob(KFileItemList() << m_item, size, &plugins);
     m_previewJob->setScaleType(KIO::PreviewJob::Unscaled);
     m_previewJob->setIgnoreMaximumSize(m_item.isLocalFile());
     if (m_previewJob->uiDelegate()) {
@@ -232,7 +234,7 @@
             // in the case of a search-URL the URL is not readable for humans
             // (at least not useful to show in the Information Panel)
             m_preview->setPixmap(
-                QIcon::fromTheme(QStringLiteral("baloo")).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous)
+                QIcon::fromTheme(QStringLiteral("baloo")).pixmap(m_preview->height(), m_preview->width())
             );
         } else {
 
@@ -313,7 +315,7 @@
     m_preview->stopAnimatedImage();
 
     m_preview->setPixmap(
-        QIcon::fromTheme(QStringLiteral("dialog-information")).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous)
+        QIcon::fromTheme(QStringLiteral("dialog-information")).pixmap(m_preview->height(), m_preview->width())
     );
     setNameLabelText(i18ncp("@label", "%1 item selected", "%1 items selected", items.count()));
 
@@ -357,7 +359,7 @@
 void InformationPanelContent::showIcon(const KFileItem& item)
 {
     m_outdatedPreviewTimer->stop();
-    QPixmap pixmap = QIcon::fromTheme(item.iconName()).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous);
+    QPixmap pixmap = QIcon::fromTheme(item.iconName()).pixmap(m_preview->width(), m_preview->height());
     KIconLoader::global()->drawOverlays(item.overlays(), pixmap, KIconLoader::Desktop);
     m_preview->setPixmap(pixmap);
 }
@@ -368,6 +370,8 @@
     m_outdatedPreviewTimer->stop();
 
     QPixmap p = pixmap;
+    p.setDevicePixelRatio(devicePixelRatioF());
+
     KIconLoader::global()->drawOverlays(item.overlays(), p, KIconLoader::Desktop);
 
     if (m_isVideo) {