diff --git a/src/corelib/thread/qfuturesynchronizer.h b/src/corelib/thread/qfuturesynchronizer.h
index 2cf2ca1b760..183e3ab3424 100644
--- a/src/corelib/thread/qfuturesynchronizer.h
+++ b/src/corelib/thread/qfuturesynchronizer.h
@@ -18,21 +18,21 @@ class QFutureSynchronizer
 
 public:
     QFutureSynchronizer() : m_cancelOnWait(false) { }
-    explicit QFutureSynchronizer(const QFuture<T> &future)
+    explicit QFutureSynchronizer(QFuture<T> future)
         : m_cancelOnWait(false)
-    { addFuture(future); }
+    { addFuture(std::move(future)); }
     ~QFutureSynchronizer()  { waitForFinished(); }
 
-    void setFuture(const QFuture<T> &future)
+    void setFuture(QFuture<T> future)
     {
         waitForFinished();
         m_futures.clear();
-        addFuture(future);
+        addFuture(std::move(future));
     }
 
-    void addFuture(const QFuture<T> &future)
+    void addFuture(QFuture<T> future)
     {
-        m_futures.append(future);
+        m_futures.append(std::move(future));
     }
 
     void waitForFinished()
diff --git a/src/corelib/thread/qfuturesynchronizer.qdoc b/src/corelib/thread/qfuturesynchronizer.qdoc
index 8dd7d58c4ae..7d2d16d6e96 100644
--- a/src/corelib/thread/qfuturesynchronizer.qdoc
+++ b/src/corelib/thread/qfuturesynchronizer.qdoc
@@ -38,7 +38,7 @@
 */
 
 /*!
-    \fn template <typename T> QFutureSynchronizer<T>::QFutureSynchronizer(const QFuture<T> &future)
+    \fn template <typename T> QFutureSynchronizer<T>::QFutureSynchronizer(QFuture<T> future)
 
     Constructs a QFutureSynchronizer and begins watching \a future by calling
     addFuture().
@@ -56,7 +56,7 @@
 */
 
 /*!
-    \fn template <typename T> void QFutureSynchronizer<T>::setFuture(const QFuture<T> &future)
+    \fn template <typename T> void QFutureSynchronizer<T>::setFuture(QFuture<T> future)
 
     Sets \a future to be the only future managed by this QFutureSynchronizer.
     This is a convenience function that calls waitForFinished(),
@@ -66,7 +66,7 @@
 */
 
 /*!
-    \fn template <typename T> void QFutureSynchronizer<T>::addFuture(const QFuture<T> &future)
+    \fn template <typename T> void QFutureSynchronizer<T>::addFuture(QFuture<T> future)
 
     Adds \a future to the list of managed futures.
 
diff --git a/tests/auto/corelib/thread/qfuturesynchronizer/tst_qfuturesynchronizer.cpp b/tests/auto/corelib/thread/qfuturesynchronizer/tst_qfuturesynchronizer.cpp
index fe84ec1ae40..b2efd6473b6 100644
--- a/tests/auto/corelib/thread/qfuturesynchronizer/tst_qfuturesynchronizer.cpp
+++ b/tests/auto/corelib/thread/qfuturesynchronizer/tst_qfuturesynchronizer.cpp
@@ -13,6 +13,7 @@ class tst_QFutureSynchronizer : public QObject
 
 private Q_SLOTS:
     void construction();
+    void setFutureAliasingExistingMember();
     void addFuture();
     void cancelOnWait();
     void clearFutures();
@@ -33,6 +34,28 @@ void tst_QFutureSynchronizer::construction()
     QCOMPARE(synchronizerWithFuture.futures().size(), 1);
 }
 
+void tst_QFutureSynchronizer::setFutureAliasingExistingMember()
+{
+    //
+    // GIVEN: a QFutureSynchronizer with one QFuture:
+    //
+    QFutureSynchronizer synchronizer(QtFuture::makeReadyValueFuture(42));
+
+    //
+    // WHEN: calling setFuture() with an alias of the QFuture already in `synchronizer`:
+    //
+    for (int i = 0; i < 2; ++i) {
+        const auto &f = synchronizer.futures().constFirst();
+        synchronizer.setFuture(f);
+    }
+
+    //
+    // THEN: it didn't crash
+    //
+    QCOMPARE(synchronizer.futures().size(), 1);
+    QCOMPARE(synchronizer.futures().constFirst().result(), 42);
+}
+
 void tst_QFutureSynchronizer::addFuture()
 {
     QFutureSynchronizer<void> synchronizer;