diff --git a/src/corelib/kernel/qtimer.cpp b/src/corelib/kernel/qtimer.cpp
index 8148ced2220..49c57cb6eeb 100644
--- a/src/corelib/kernel/qtimer.cpp
+++ b/src/corelib/kernel/qtimer.cpp
@@ -257,6 +257,7 @@ void QTimer::start()
 void QTimer::start(int msec)
 {
     Q_D(QTimer);
+    d->inter.removeBindingUnlessInWrapper();
     d->inter.setValueBypassingBindings(msec);
     start();
     d->inter.markDirty();
@@ -753,6 +754,8 @@ QBindable<bool> QTimer::bindableSingleShot()
 void QTimer::setInterval(int msec)
 {
     Q_D(QTimer);
+    d->inter.removeBindingUnlessInWrapper();
+
     d->inter.setValueBypassingBindings(msec);
     if (d->id != INV_TIMER) {                        // create new timer
         QObject::killTimer(d->id);                        // restart timer
@@ -760,6 +763,7 @@ void QTimer::setInterval(int msec)
         // No need to call markDirty() for d->isActiveData here,
         // as timer state actually does not change
     }
+
     d->inter.markDirty();
 }
 
diff --git a/tests/auto/corelib/kernel/qtimer/tst_qtimer.cpp b/tests/auto/corelib/kernel/qtimer/tst_qtimer.cpp
index cd0a0d03d97..221d818c6bf 100644
--- a/tests/auto/corelib/kernel/qtimer/tst_qtimer.cpp
+++ b/tests/auto/corelib/kernel/qtimer/tst_qtimer.cpp
@@ -1158,6 +1158,10 @@ void tst_QTimer::bindTimer()
     QCOMPARE(timer.interval(), 10);
     interval = 100;
     QCOMPARE(timer.interval(), 100);
+    timer.setInterval(50);
+    QCOMPARE(timer.interval(), 50);
+    interval = 30;
+    QCOMPARE(timer.interval(), 50);
 
     // timerType property
     QCOMPARE(timer.timerType(), Qt::CoarseTimer);