diff --git a/src/core/Mapping.cpp b/src/core/Mapping.cpp
index a57b57e..95c5139 100644
--- a/src/core/Mapping.cpp
+++ b/src/core/Mapping.cpp
@@ -91,8 +91,8 @@ void Mapping::read(const QDomElement& obj)
   Element::read(obj);
 
   // Read paint.
-  int paintId = obj.attribute("paintId").toInt();
-//  setPaint(MainWindow::window()->getMappingManager().getPaintById(paintId));
+  int paintId = obj.attribute(ProjectLabels::PAINT_ID).toInt();
+  setPaint(MainWindow::window()->getMappingManager().getPaintById(paintId));
 
   // Read output shape.
   _readShape(obj, true);
diff --git a/src/core/Mapping.h b/src/core/Mapping.h
index 09b9817..94298e7 100644
--- a/src/core/Mapping.h
+++ b/src/core/Mapping.h
@@ -33,6 +33,8 @@
 
 #include "MetaObjectRegistry.h"
 
+#include "ProjectLabels.h"
+
 namespace mmp {
 
 // TODO: replace by ProjectAttribute