Index: trunk/MagicSoft/Mars/macros/collarea.C
===================================================================
--- trunk/MagicSoft/Mars/macros/collarea.C	(revision 1294)
+++ trunk/MagicSoft/Mars/macros/collarea.C	(revision 1301)
@@ -38,5 +38,5 @@
     //  - Then we can fill the efficiency histograms
     //
-    MReadTree reader("Events", filename);
+    MReadMarsFile reader("Events", filename);
     MMcCollectionAreaCalc effi;
 
