diff --git a/src/corelib/kernel/qproperty.cpp b/src/corelib/kernel/qproperty.cpp
index 8fdd261e08..09c74f1ed2 100644
--- a/src/corelib/kernel/qproperty.cpp
+++ b/src/corelib/kernel/qproperty.cpp
@@ -540,7 +540,7 @@ void QPropertyBindingData::registerWithCurrentlyEvaluatingBinding_helper(Binding
 
     QPropertyObserverPointer dependencyObserver = currentState->binding->allocateDependencyObserver();
     dependencyObserver.setBindingToNotify(currentState->binding);
-    dependencyObserver.observeProperty(d);
+    d.addObserver(dependencyObserver.ptr);
 }
 
 void QPropertyBindingData::notifyObservers(QUntypedPropertyData *propertyDataPtr) const
diff --git a/src/corelib/kernel/qproperty_p.h b/src/corelib/kernel/qproperty_p.h
index 07f9099ee3..14dfd513f9 100644
--- a/src/corelib/kernel/qproperty_p.h
+++ b/src/corelib/kernel/qproperty_p.h
@@ -293,12 +293,17 @@ public:
             heapObservers->clear();
         dependencyObserverCount = 0;
     }
-    QPropertyObserverPointer allocateDependencyObserver()
-    {
+
+    Q_ALWAYS_INLINE QPropertyObserverPointer allocateDependencyObserver() {
         if (dependencyObserverCount < inlineDependencyObservers.size()) {
             ++dependencyObserverCount;
             return {&inlineDependencyObservers[dependencyObserverCount - 1]};
         }
+        return allocateDependencyObserver_slow();
+    }
+
+    Q_NEVER_INLINE QPropertyObserverPointer allocateDependencyObserver_slow()
+    {
         ++dependencyObserverCount;
         if (!heapObservers)
             heapObservers.reset(new std::vector<QPropertyObserver>());