diff --git a/libdiscover/backends/PackageKitBackend/PackageKitUpdater.cpp b/libdiscover/backends/PackageKitBackend/PackageKitUpdater.cpp
index acff148a5b13a7980f38f1d260badef97476f653..9dce8d1a2246f0f966d71146f9243805b63271a6 100644
--- a/libdiscover/backends/PackageKitBackend/PackageKitUpdater.cpp
+++ b/libdiscover/backends/PackageKitBackend/PackageKitUpdater.cpp
@@ -142,9 +142,10 @@ void PackageKitUpdater::proceed()
 {
     if (!m_proceedFunctions.isEmpty()) {
         processProceedFunction();
-    } else {
+    } else if (qEnvironmentVariableIsSet("PK_OFFLINE_UPDATE"))
+        setupTransaction(PackageKit::Transaction::TransactionFlagOnlyTrusted | PackageKit::Transaction::TransactionFlagOnlyDownload);
+    else
         setupTransaction(PackageKit::Transaction::TransactionFlagOnlyTrusted);
-    }
 }
 
 void PackageKitUpdater::start()
@@ -178,6 +179,9 @@ void PackageKitUpdater::finished(PackageKit::Transaction::Exit exit, uint /*time
     setProgressing(false);
     m_backend->refreshDatabase();
     fetchLastUpdateTime();
+
+    if (qEnvironmentVariableIsSet("PK_OFFLINE_UPDATE"))
+        PackageKit::Daemon::global()->offlineTrigger(PackageKit::Daemon::ActionReboot);
 }
 
 void PackageKitUpdater::cancellableChanged()