Index: /trunk/FACT++/src/DataWriteFits.cc
===================================================================
--- /trunk/FACT++/src/DataWriteFits.cc	(revision 12633)
+++ /trunk/FACT++/src/DataWriteFits.cc	(revision 12634)
@@ -184,4 +184,6 @@
     fTstart[0] = 0;
     fTstop[0]  = 0;
+
+    memset(fTriggerCounter.data(), 0, fTriggerCounter.size()*sizeof(uint32_t));
 
     //Last but not least, add header keys that will be updated when closing the file
