From 131dee9db72ad745dafa04555f9996defe7c30f8 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Mon, 21 Sep 2015 14:49:55 +0200
Subject: [PATCH] + get Label directly

---
 src/App/DocumentObject.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/App/DocumentObject.cpp b/src/App/DocumentObject.cpp
index 1c8a26fee3..32c68eaa86 100644
--- a/src/App/DocumentObject.cpp
+++ b/src/App/DocumentObject.cpp
@@ -194,7 +194,7 @@ void DocumentObject::onBeforeChange(const Property* prop)
     // Store current name in oldLabel, to be able to easily retrieve old name of document object later
     // when renaming expressions.
     if (prop == &Label)
-        oldLabel = static_cast<PropertyString*>(&Label)->getStrValue();
+        oldLabel = Label.getStrValue();
 
     if (_pDoc)
         _pDoc->onBeforeChangeProperty(this,prop);