diff --git a/src/corelib/thread/qmutex.cpp b/src/corelib/thread/qmutex.cpp
index 3e7033451ea..63fb6f3efbd 100644
--- a/src/corelib/thread/qmutex.cpp
+++ b/src/corelib/thread/qmutex.cpp
@@ -276,7 +276,7 @@ bool QMutex::tryLock(int timeout) QT_MUTEX_LOCK_NOEXCEPT
     returns \c false
 */
 
-/*! \fn bool QMutex::try_lock_for(std::chrono::duration<Rep, Period> duration)
+/*! \fn template <class Rep, class Period> bool QMutex::try_lock_for(std::chrono::duration<Rep, Period> duration)
     \since 5.8
 
     Attempts to lock the mutex. This function returns \c true if the lock
@@ -300,7 +300,7 @@ bool QMutex::tryLock(int timeout) QT_MUTEX_LOCK_NOEXCEPT
     \sa lock(), unlock()
 */
 
-/*! \fn bool QMutex::try_lock_until(std::chrono::time_point<Clock, Duration> timePoint)
+/*! \fn template<class Clock, class Duration> bool QMutex::try_lock_until(std::chrono::time_point<Clock, Duration> timePoint)
     \since 5.8
 
     Attempts to lock the mutex. This function returns \c true if the lock
diff --git a/src/corelib/thread/qmutex.h b/src/corelib/thread/qmutex.h
index 3dff3635411..7cda53db5f7 100644
--- a/src/corelib/thread/qmutex.h
+++ b/src/corelib/thread/qmutex.h
@@ -139,7 +139,7 @@ public:
     // Lockable concept
     bool try_lock() QT_MUTEX_LOCK_NOEXCEPT { return tryLock(); }
 
-#if QT_HAS_INCLUDE(<chrono>)
+#if QT_HAS_INCLUDE(<chrono>) || defined(Q_CLANG_QDOC)
     // TimedLockable concept
     template <class Rep, class Period>
     bool try_lock_for(std::chrono::duration<Rep, Period> duration)