diff --git a/engineexplorer/modelviewer.cpp b/engineexplorer/modelviewer.cpp
--- a/engineexplorer/modelviewer.cpp
+++ b/engineexplorer/modelviewer.cpp
@@ -98,7 +98,9 @@
     QString engineName = i18nc("Plasma engine with unknown name", "Unknown");
 
     if (m_engine) {
-        engineName = KStringHandler::capwords(m_engine->pluginInfo().name());
+        if (m_engine->pluginInfo().isValid()) {
+            engineName = KStringHandler::capwords(m_engine->pluginInfo().name());
+        }
         qDebug() << "########### CALLING SERVICE FOR SOURCE: " << m_source;
         m_model = m_engine->modelForSource(m_source);
 
diff --git a/engineexplorer/serviceviewer.cpp b/engineexplorer/serviceviewer.cpp
--- a/engineexplorer/serviceviewer.cpp
+++ b/engineexplorer/serviceviewer.cpp
@@ -66,7 +66,9 @@
     QString serviceName = i18nc("Plasma service with unknown name", "Unknown");
 
     if (m_engine) {
-        engineName = KStringHandler::capwords(m_engine->pluginInfo().name());
+        if (m_engine->pluginInfo().isValid()) {
+            engineName = KStringHandler::capwords(m_engine->pluginInfo().name());
+        }
         qDebug() << "########### CALLING SERVICE FOR SOURCE: " << m_source;
         m_service = m_engine->serviceForSource(m_source);