diff --git a/src/corelib/kernel/qpropertybinding.cpp b/src/corelib/kernel/qpropertybinding.cpp
index 99d17757de0..63800c4f7dc 100644
--- a/src/corelib/kernel/qpropertybinding.cpp
+++ b/src/corelib/kernel/qpropertybinding.cpp
@@ -70,7 +70,7 @@ void QPropertyBindingPrivate::markDirtyAndNotifyObservers()
     if (firstObserver)
         firstObserver.notify(this, propertyDataPtr);
     if (hasStaticObserver) {
-        if (metaType == QMetaType::fromType<bool>()) {
+        if (isBool) {
             auto propertyPtr = reinterpret_cast<QPropertyBase *>(propertyDataPtr);
             bool oldValue = propertyPtr->extraBit();
             staticObserverCallback(staticObserver, &oldValue);
@@ -106,7 +106,7 @@ bool QPropertyBindingPrivate::evaluateIfDirtyAndReturnTrueIfValueChanged()
     bool changed = false;
 
     if (hasStaticObserver && staticGuardCallback) {
-        if (metaType.id() == QMetaType::Bool) {
+        if (isBool) {
             auto propertyPtr = reinterpret_cast<QPropertyBase *>(propertyDataPtr);
             bool newValue = propertyPtr->extraBit();
             changed = staticGuardCallback(metaType, &newValue, evaluationFunction, staticObserver);
@@ -116,7 +116,7 @@ bool QPropertyBindingPrivate::evaluateIfDirtyAndReturnTrueIfValueChanged()
             changed = staticGuardCallback(metaType, propertyDataPtr, evaluationFunction, staticObserver);
         }
     } else {
-        if (metaType.id() == QMetaType::Bool) {
+        if (isBool) {
             auto propertyPtr = reinterpret_cast<QPropertyBase *>(propertyDataPtr);
             bool newValue = propertyPtr->extraBit();
             changed = evaluationFunction(metaType, &newValue);
diff --git a/src/corelib/kernel/qpropertybinding_p.h b/src/corelib/kernel/qpropertybinding_p.h
index 9a18ff90158..1aa2cd864cd 100644
--- a/src/corelib/kernel/qpropertybinding_p.h
+++ b/src/corelib/kernel/qpropertybinding_p.h
@@ -72,6 +72,7 @@ private:
     bool dirty = false;
     bool updating = false;
     bool hasStaticObserver = false;
+    bool isBool = false;
 
     QUntypedPropertyBinding::BindingEvaluationFunction evaluationFunction;
 
@@ -99,7 +100,8 @@ public:
 
     QPropertyBindingPrivate(const QMetaType &metaType, QUntypedPropertyBinding::BindingEvaluationFunction evaluationFunction,
                             const QPropertyBindingSourceLocation &location)
-        : evaluationFunction(std::move(evaluationFunction))
+        : isBool(metaType.id() == QMetaType::Bool)
+        , evaluationFunction(std::move(evaluationFunction))
         , inlineDependencyObservers() // Explicit initialization required because of union
         , location(location)
         , metaType(metaType)