Index: trunk/FACT++/gui/FactGui.h
===================================================================
--- trunk/FACT++/gui/FactGui.h	(revision 19386)
+++ trunk/FACT++/gui/FactGui.h	(revision 19387)
@@ -3697,5 +3697,5 @@
         // --------------------------------------------------------------------------
 
-        if (!fPixelMap.Read(conf.Get<string>("pixel-map-file")))
+        if (!fPixelMap.Read(conf.GetPrefixedString("pixel-map-file")))
         {
             cerr << "ERROR - Problems reading " << conf.Get<string>("pixel-map-file") << endl;
Index: trunk/FACT++/gui/RawEventsViewer/RawEventsViewer.cc
===================================================================
--- trunk/FACT++/gui/RawEventsViewer/RawEventsViewer.cc	(revision 19386)
+++ trunk/FACT++/gui/RawEventsViewer/RawEventsViewer.cc	(revision 19387)
@@ -2228,5 +2228,5 @@
     if (conf.Has("mappingFile"))
     {
-        canvas->assignPixelMapFile(conf.Get<string>("mappingFile"));
+        canvas->assignPixelMapFile(conf.GetPrefixedString("mappingFile"));
     }
     else