Index: fact/tools/rootmacros/PulseTemplates/FPulseOverlay.C
===================================================================
--- fact/tools/rootmacros/PulseTemplates/FPulseOverlay.C	(revision 13545)
+++ fact/tools/rootmacros/PulseTemplates/FPulseOverlay.C	(revision 13546)
@@ -319,5 +319,5 @@
 // Open the data file
 
-    fits * datafile;
+    fits * datafile = NULL;
     // Opens the raw data file and 'binds' the variables given as
     // Parameters to the data file. So they are filled with