Index: trunk/Mars/macros/rootlogon.C
===================================================================
--- trunk/Mars/macros/rootlogon.C	(revision 14199)
+++ trunk/Mars/macros/rootlogon.C	(revision 14200)
@@ -177,4 +177,5 @@
     gInterpreter->AddIncludePath(dir+"msimcamera");
     gInterpreter->AddIncludePath(dir+"mcorsika");
+    gInterpreter->AddIncludePath(dir+"mextralgo");
 
     TString options = " -O3 -DHAVE_ZLIB -D__MARS__ -pipe -Wall -Woverloaded-virtual -fno-exceptions -fPIC ";