diff --git a/src/plugins/boot2qt/device-detection/qdbwatcher.cpp b/src/plugins/boot2qt/device-detection/qdbwatcher.cpp
index 8a18a3b5ac9..f7e2f8bdc68 100644
--- a/src/plugins/boot2qt/device-detection/qdbwatcher.cpp
+++ b/src/plugins/boot2qt/device-detection/qdbwatcher.cpp
@@ -110,8 +110,7 @@ void QdbWatcher::handleWatchMessage()
 void QdbWatcher::forkHostServer()
 {
     Utils::FilePath qdbFilePath = findTool(QdbTool::Qdb);
-    QFile executable(qdbFilePath.toString());
-    if (!executable.exists()) {
+    if (!qdbFilePath.exists()) {
         const QString message = Tr::tr("Could not find QDB host server executable. "
                                    "You can set the location with environment variable %1.")
                                     .arg(overridingEnvironmentVariable(QdbTool::Qdb));
@@ -121,7 +120,8 @@ void QdbWatcher::forkHostServer()
     if (Utils::Process::startDetached({qdbFilePath, {"server"}}))
         showMessage(Tr::tr("QDB host server started."), false);
     else
-        showMessage(Tr::tr("Could not start QDB host server in %1").arg(qdbFilePath.toString()), true);
+        showMessage(
+            Tr::tr("Could not start QDB host server in %1").arg(qdbFilePath.toUserOutput()), true);
 }
 
 void QdbWatcher::retry()