diff --git a/sbnobj/Common/Trigger/ExtraTriggerInfo.h b/sbnobj/Common/Trigger/ExtraTriggerInfo.h
index ce07df500..4133b2891 100644
--- a/sbnobj/Common/Trigger/ExtraTriggerInfo.h
+++ b/sbnobj/Common/Trigger/ExtraTriggerInfo.h
@@ -19,6 +19,7 @@
 #include <iosfwd> // std::ostream
 #include <limits> // std::numeric_limits<>
 #include <cstdint> // std::uint64_t
+#include <vector>
 
 
 // -----------------------------------------------------------------------------
@@ -87,7 +88,7 @@ struct sbn::ExtraTriggerInfo {
   
   /// Incremental counter of gates from this source opened from start of the run.
   unsigned int gateCount { 0 };
-  
+
   /// @}
   // --- END ---- Since the beginning of the run -------------------------------
   
diff --git a/sbnobj/Common/Trigger/classes_def.xml b/sbnobj/Common/Trigger/classes_def.xml
index 92bfe3570..92873597b 100644
--- a/sbnobj/Common/Trigger/classes_def.xml
+++ b/sbnobj/Common/Trigger/classes_def.xml
@@ -19,7 +19,9 @@
   <!-- sbn::ExtraTriggerInfo -->
 
   <!--   class -->
-  <class name="sbn::ExtraTriggerInfo" ClassVersion="10" >
+  <class name="sbn::ExtraTriggerInfo" ClassVersion="12" >
+   <version ClassVersion="12" checksum="1967722932"/>
+   <version ClassVersion="11" checksum="587699878"/>
    <version ClassVersion="10" checksum="1967722932"/>
   </class>