diff --git a/src/plugins/platforms/xcb/qxcbintegration.cpp b/src/plugins/platforms/xcb/qxcbintegration.cpp
index 46077e2c3f..68ad93143b 100644
--- a/src/plugins/platforms/xcb/qxcbintegration.cpp
+++ b/src/plugins/platforms/xcb/qxcbintegration.cpp
@@ -122,6 +122,7 @@ static bool runningUnderDebugger()
 QXcbIntegration::QXcbIntegration(const QStringList &parameters, int &argc, char **argv)
     : m_eventDispatcher(createUnixEventDispatcher())
     ,  m_services(new QGenericUnixServices)
+    , m_instanceName(0)
 {
     QGuiApplicationPrivate::instance()->setEventDispatcher(m_eventDispatcher);
 
@@ -148,6 +149,9 @@ QXcbIntegration::QXcbIntegration(const QStringList &parameters, int &argc, char
                 if (!strcmp(arg, "-display") && i < argc - 1) {
                     displayName = argv[++i];
                     arg = 0;
+                } else if (!strcmp(arg, "-name") && i < argc - 1) {
+                    m_instanceName = argv[++i];
+                    arg = 0;
                 }
             }
             if (arg)
@@ -409,6 +413,8 @@ QByteArray QXcbIntegration::wmClass() const
     if (m_wmClass.isEmpty()) {
         // Instance name according to ICCCM 4.1.2.5
         QString name;
+        if (m_instanceName)
+            name = QString::fromLocal8Bit(m_instanceName);
         if (name.isEmpty() && qEnvironmentVariableIsSet(resourceNameVar))
             name = QString::fromLocal8Bit(qgetenv(resourceNameVar));
         if (name.isEmpty())
diff --git a/src/plugins/platforms/xcb/qxcbintegration.h b/src/plugins/platforms/xcb/qxcbintegration.h
index b884b3b7f2..09fc0d32b5 100644
--- a/src/plugins/platforms/xcb/qxcbintegration.h
+++ b/src/plugins/platforms/xcb/qxcbintegration.h
@@ -119,6 +119,7 @@ private:
     friend class QXcbConnection; // access QPlatformIntegration::screenAdded()
 
     mutable QByteArray m_wmClass;
+    const char *m_instanceName;
 };
 
 QT_END_NAMESPACE