diff --git a/applets/systemtray/systemtray.h b/applets/systemtray/systemtray.h
--- a/applets/systemtray/systemtray.h
+++ b/applets/systemtray/systemtray.h
@@ -22,6 +22,8 @@
 #define SYSTEMTRAY_H
 
 #include <QAbstractItemModel>
+#include <QRegExp>
+
 #include <Plasma/Containment>
 
 class QDBusPendingCallWatcher;
@@ -114,7 +116,7 @@
     void initDBusActivatables();
     QStringList m_defaultPlasmoids;
     QHash<QString /*plugin name*/, KPluginInfo> m_systrayApplets;
-    QHash<QString /*plugin name*/, QString /*DBus Service*/> m_dbusActivatableTasks;
+    QHash<QString /*plugin name*/, QRegExp /*DBus Service*/> m_dbusActivatableTasks;
 
     QStringList m_allowedPlasmoids;
     PlasmoidModel *m_availablePlasmoidsModel;
diff --git a/applets/systemtray/systemtray.cpp b/applets/systemtray/systemtray.cpp
--- a/applets/systemtray/systemtray.cpp
+++ b/applets/systemtray/systemtray.cpp
@@ -85,7 +85,9 @@
         const QString dbusactivation = info.value(QStringLiteral("X-Plasma-DBusActivationService"));
         if (!dbusactivation.isEmpty()) {
             qCDebug(SYSTEM_TRAY) << "ST Found DBus-able Applet: " << info.pluginId() << dbusactivation;
-            m_dbusActivatableTasks[info.pluginId()] = dbusactivation;
+            QRegExp rx(dbusactivation);
+            rx.setPatternSyntax(QRegExp::Wildcard);
+            m_dbusActivatableTasks[info.pluginId()] = rx;
         }
     }
 }
@@ -541,9 +543,7 @@
             continue;
         }
 
-        const QString &pattern = it.value();
-        QRegExp rx(pattern);
-        rx.setPatternSyntax(QRegExp::Wildcard);
+        const auto &rx = it.value();
         if (rx.exactMatch(service)) {
             //qCDebug(SYSTEM_TRAY) << "ST : DBus service " << m_dbusActivatableTasks[plugin] << "appeared. Loading " << plugin;
             newTask(plugin);
@@ -562,9 +562,7 @@
             continue;
         }
 
-        const QString &pattern = it.value();
-        QRegExp rx(pattern);
-        rx.setPatternSyntax(QRegExp::Wildcard);
+        const auto &rx = it.value();
         if (rx.exactMatch(service)) {
             m_dbusServiceCounts[plugin]--;
             Q_ASSERT(m_dbusServiceCounts[plugin] >= 0);