diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@
 project(baloo-widgets VERSION ${RELEASE_SERVICE_VERSION})
 
 set(QT_MIN_VERSION "5.11.0")
-set(KF5_MIN_VERSION "5.60.0")
+set(KF5_MIN_VERSION "5.70.0")
 
 find_package(ECM ${KF5_MIN_VERSION} REQUIRED NO_MODULE)
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules" ${ECM_MODULE_PATH})
diff --git a/src/filemetadataprovider.cpp b/src/filemetadataprovider.cpp
--- a/src/filemetadataprovider.cpp
+++ b/src/filemetadataprovider.cpp
@@ -152,6 +152,7 @@
     if (m_fileItems.count() == 1) {
       const KFileItem& item = m_fileItems.first();
 
+      KFormat format;
       if (item.isDir()) {
           bool isSizeUnknown = !item.isLocalFile();
           if (!isSizeUnknown) {
@@ -172,14 +173,16 @@
           }
           else if (item.entry().contains(KIO::UDSEntry::UDS_SIZE)) {
               isSizeUnknown = false;
-              KFormat format;
               m_data.insert(QStringLiteral("kfileitem#size"), format.formatByteSize(item.size()));
           }
+          if (item.entry().contains(KIO::UDSEntry::UDS_RECURSIVE_SIZE)) {
+              isSizeUnknown = false;
+              m_data.insert(QStringLiteral("kfileitem#totalSize"), format.formatByteSize(item.recursiveSize()));
+          }
           if (isSizeUnknown) {
               m_data.insert(QStringLiteral("kfileitem#size"), i18nc("unknown file size", "Unknown"));
           }
       } else {
-          KFormat format;
           m_data.insert(QStringLiteral("kfileitem#size"), format.formatByteSize(item.size()));
       }