diff --git a/src/gui/configure.json b/src/gui/configure.json
index 5bcfbc88bf..7a1796041e 100644
--- a/src/gui/configure.json
+++ b/src/gui/configure.json
@@ -476,7 +476,7 @@
         "tslib": {
             "label": "tslib",
             "test": {
-                "main": "ts_open(\"foo\", 0);"
+                "main": "ts_setup(nullptr, 0);"
             },
             "headers": "tslib.h",
             "sources": [
diff --git a/src/platformsupport/input/tslib/qtslib.cpp b/src/platformsupport/input/tslib/qtslib.cpp
index f8fdc151ec..c4caea5c80 100644
--- a/src/platformsupport/input/tslib/qtslib.cpp
+++ b/src/platformsupport/input/tslib/qtslib.cpp
@@ -62,31 +62,15 @@ QTsLibMouseHandler::QTsLibMouseHandler(const QString &key,
     qCDebug(qLcTsLib) << "Initializing tslib plugin" << key << specification;
     setObjectName(QLatin1String("TSLib Mouse Handler"));
 
-    QByteArray device = qgetenv("TSLIB_TSDEVICE");
-
-    if (specification.startsWith(QLatin1String("/dev/")))
-        device = specification.toLocal8Bit();
-
-    if (device.isEmpty())
-        device = QByteArrayLiteral("/dev/input/event1");
-
-    m_dev = ts_open(device.constData(), 1);
+    m_dev = ts_setup(nullptr, 1);
     if (!m_dev) {
-        qErrnoWarning(errno, "ts_open() failed");
+        qErrnoWarning(errno, "ts_setup() failed");
         return;
     }
 
-    if (ts_config(m_dev))
-        qErrnoWarning(errno, "ts_config() failed");
-
-    int fd = ts_fd(m_dev);
-    if (fd >= 0) {
-        qCDebug(qLcTsLib) << "tslib device is" << device;
-        m_notify = new QSocketNotifier(fd, QSocketNotifier::Read, this);
-        connect(m_notify, &QSocketNotifier::activated, this, &QTsLibMouseHandler::readMouseData);
-    } else {
-        qErrnoWarning(errno, "tslib: Cannot open input device %s", device.constData());
-    }
+    qCDebug(qLcTsLib) << "tslib device is" << ts_get_eventpath(m_dev);
+    m_notify = new QSocketNotifier(ts_fd(m_dev), QSocketNotifier::Read, this);
+    connect(m_notify, &QSocketNotifier::activated, this, &QTsLibMouseHandler::readMouseData);
 }
 
 QTsLibMouseHandler::~QTsLibMouseHandler()