diff --git a/kcms/notifications/sourcesmodel.cpp b/kcms/notifications/sourcesmodel.cpp
--- a/kcms/notifications/sourcesmodel.cpp
+++ b/kcms/notifications/sourcesmodel.cpp
@@ -38,6 +38,8 @@
 
 #include <algorithm>
 
+static const QString s_plasmaWorkspaceNotifyRcName = QStringLiteral("plasma_workspace");
+
 SourcesModel::SourcesModel(QObject *parent) : QAbstractItemModel(parent)
 {
 
@@ -342,11 +344,9 @@
         desktopEntries.append(service->desktopEntryName());
     }
 
-    auto sortData = [&collator](const SourceData &a, const SourceData &b) {
+    std::sort(appsData.begin(), appsData.end(), [&collator](const SourceData &a, const SourceData &b) {
         return collator.compare(a.display(), b.display()) < 0;
-    };
-
-    std::sort(appsData.begin(), appsData.end(), sortData);
+    });
 
     // Fake entry for configuring non-identifyable applications
     appsData << SourceData{
@@ -358,7 +358,16 @@
         {}
     };
 
-    std::sort(servicesData.begin(), servicesData.end(), sortData);
+    // Sort and make sure plasma_workspace is at the beginning of the list
+    std::sort(servicesData.begin(), servicesData.end(), [&collator](const SourceData &a, const SourceData &b) {
+        if (a.notifyRcName == s_plasmaWorkspaceNotifyRcName) {
+            return true;
+        }
+        if (b.notifyRcName == s_plasmaWorkspaceNotifyRcName) {
+            return false;
+        }
+        return collator.compare(a.display(), b.display()) < 0;
+    });
 
     m_data << appsData << servicesData;