diff --git a/src/corelib/thread/qthread_unix.cpp b/src/corelib/thread/qthread_unix.cpp
index 81b5416a988..4417c525e37 100644
--- a/src/corelib/thread/qthread_unix.cpp
+++ b/src/corelib/thread/qthread_unix.cpp
@@ -710,7 +710,9 @@ void QThread::start(Priority priority)
     else
         pthread_attr_setthreadname(&attr, objectName().toLocal8Bit());
 #else
-    d->objectName = objectName();
+    // avoid interacting with the binding system
+    d->objectName = d->extraData ? d->extraData->objectName.valueBypassingBindings()
+                                 : QString();
 #endif
 
     pthread_t threadId;
diff --git a/src/corelib/thread/qthread_win.cpp b/src/corelib/thread/qthread_win.cpp
index 6249b94ea21..cda5fe4de13 100644
--- a/src/corelib/thread/qthread_win.cpp
+++ b/src/corelib/thread/qthread_win.cpp
@@ -420,7 +420,9 @@ void QThread::start(Priority priority)
     if (d->running)
         return;
 
-    d->objectName = objectName();
+    // avoid interacting with the binding system
+    d->objectName = d->extraData ? d->extraData->objectName.valueBypassingBindings()
+                                 : QString();
     d->running = true;
     d->finished = false;
     d->exited = false;