diff --git a/src/plugins/studiowelcome/studiowelcomeplugin.cpp b/src/plugins/studiowelcome/studiowelcomeplugin.cpp
index 5fc4dd7875d..c53ec48c43c 100644
--- a/src/plugins/studiowelcome/studiowelcomeplugin.cpp
+++ b/src/plugins/studiowelcome/studiowelcomeplugin.cpp
@@ -113,6 +113,9 @@ static Utils::FilePath getMainUiFileWithFallback()
     auto qmlBuildSystem = qobject_cast<QmlProjectManager::QmlBuildSystem *>(
         project->activeTarget()->buildSystem());
 
+    if (!qmlBuildSystem)
+        return {};
+
     auto mainUiFile = qmlBuildSystem->mainUiFilePath();
     if (mainUiFile.exists())
         return mainUiFile;