diff -r 5dc02b23752f -r 3e2da88830cd src/declarative/qml/qdeclarativedom.cpp
--- a/src/declarative/qml/qdeclarativedom.cpp	Tue Jul 06 15:10:48 2010 +0300
+++ b/src/declarative/qml/qdeclarativedom.cpp	Wed Aug 18 10:37:55 2010 +0300
@@ -493,7 +493,7 @@
                 return QMetaType::type("int");
 
             case QDeclarativeParser::Object::DynamicProperty::Real:
-                return QMetaType::type("double");
+                return sizeof(qreal) == sizeof(double) ? QMetaType::type("double") : QMetaType::type("float");
 
             case QDeclarativeParser::Object::DynamicProperty::String:
                 return QMetaType::type("QString");