diff --git a/src/corelib/kernel/qmetaobject_p.h b/src/corelib/kernel/qmetaobject_p.h
index 3a04516b381..1d72d151611 100644
--- a/src/corelib/kernel/qmetaobject_p.h
+++ b/src/corelib/kernel/qmetaobject_p.h
@@ -36,7 +36,7 @@ using namespace QtMocConstants;
 Q_DECLARE_FLAGS(MetaObjectFlags, MetaObjectFlag)
 Q_DECLARE_OPERATORS_FOR_FLAGS(MetaObjectFlags)
 
-Q_CORE_EXPORT int qMetaTypeTypeInternal(const char *);
+Q_CORE_EXPORT int qMetaTypeTypeInternal(QByteArrayView name);
 
 class QArgumentType
 {
@@ -46,7 +46,7 @@ public:
         : _metaType(metaType)
     {}
     QArgumentType(const QByteArray &name)
-        : _metaType(QMetaType(qMetaTypeTypeInternal(name.constData()))), _name(name)
+        : _metaType(QMetaType{qMetaTypeTypeInternal(qToByteArrayViewIgnoringNull(name))}), _name(name)
     {}
     QMetaType metaType() const noexcept
     { return _metaType; }
diff --git a/src/corelib/kernel/qmetatype.cpp b/src/corelib/kernel/qmetatype.cpp
index ccf863b566e..beaca41996d 100644
--- a/src/corelib/kernel/qmetatype.cpp
+++ b/src/corelib/kernel/qmetatype.cpp
@@ -2897,9 +2897,9 @@ static inline int qMetaTypeTypeImpl(const char *typeName, int length)
     doesn't attempt to normalize the type name (i.e., the lookup will fail
     for type names in non-normalized form).
 */
-Q_CORE_EXPORT int qMetaTypeTypeInternal(const char *typeName)
+Q_CORE_EXPORT int qMetaTypeTypeInternal(QByteArrayView name)
 {
-    return qMetaTypeTypeImpl<DontNormalizeType>(typeName, int(qstrlen(typeName)));
+    return qMetaTypeTypeImpl<DontNormalizeType>(name.data(), name.size());
 }
 
 /*!