diff --git a/src/plugins/qbsprojectmanager/qbsprojectmanagerplugin.cpp b/src/plugins/qbsprojectmanager/qbsprojectmanagerplugin.cpp
index f5907b61a22..c5c479532e6 100644
--- a/src/plugins/qbsprojectmanager/qbsprojectmanagerplugin.cpp
+++ b/src/plugins/qbsprojectmanager/qbsprojectmanagerplugin.cpp
@@ -73,7 +73,7 @@ static QbsProject *currentEditorProject()
 static void windowsStartProcessDetached(FilePath appPath, QStringList args) {
     // note: QProcess cannot launch devenv.exe correctly. Default escape codes don't work here
 #if defined(Q_OS_WIN)
-    auto startupInfo = STARTUPINFOW{.cb = sizeof(STARTUPINFOW)};
+    auto startupInfo = STARTUPINFOW{sizeof(STARTUPINFOW)};
     auto processInfo = PROCESS_INFORMATION{};
 
     auto cmdLine = QString{appPath.fileName() + ' ' + args.join(" ")};