diff --git a/src/libs/qmljs/qmljsinterpreter.cpp b/src/libs/qmljs/qmljsinterpreter.cpp
index 76b68254147b31dfa9e6613f39fa3b9bcd57f5da..8d8ee7a160529ab6c4341c7efe4b14467e1323da 100644
--- a/src/libs/qmljs/qmljsinterpreter.cpp
+++ b/src/libs/qmljs/qmljsinterpreter.cpp
@@ -3163,10 +3163,10 @@ void Engine::initializePrototypes()
     _qmlFontObject->setProperty("underline", booleanValue());
     _qmlFontObject->setProperty("overline", booleanValue());
     _qmlFontObject->setProperty("strikeout", booleanValue());
-    _qmlFontObject->setProperty("pointSize", numberValue());
-    _qmlFontObject->setProperty("pixelSize", numberValue());
-    _qmlFontObject->setProperty("letterSpacing", numberValue());
-    _qmlFontObject->setProperty("wordSpacing", numberValue());
+    _qmlFontObject->setProperty("pointSize", intValue());
+    _qmlFontObject->setProperty("pixelSize", intValue());
+    _qmlFontObject->setProperty("letterSpacing", realValue());
+    _qmlFontObject->setProperty("wordSpacing", realValue());
 
     _qmlPointObject = newObject(/*prototype =*/ 0);
     _qmlPointObject->setClassName(QLatin1String("Point"));
@@ -3187,9 +3187,9 @@ void Engine::initializePrototypes()
 
     _qmlVector3DObject = newObject(/*prototype =*/ 0);
     _qmlVector3DObject->setClassName(QLatin1String("Vector3D"));
-    _qmlVector3DObject->setProperty("x", numberValue());
-    _qmlVector3DObject->setProperty("y", numberValue());
-    _qmlVector3DObject->setProperty("z", numberValue());
+    _qmlVector3DObject->setProperty("x", realValue());
+    _qmlVector3DObject->setProperty("y", realValue());
+    _qmlVector3DObject->setProperty("z", realValue());
 }
 
 const ObjectValue *Engine::qmlKeysObject()