diff --git a/src/vesselbase/ActionWithAveraging.cpp b/src/vesselbase/ActionWithAveraging.cpp
index 9a43b25e97f55074637eec762651d267cc5959a9..2ff6bd1901f709ef8d9ba6ffd11ee5d6f951183c 100644
--- a/src/vesselbase/ActionWithAveraging.cpp
+++ b/src/vesselbase/ActionWithAveraging.cpp
@@ -45,6 +45,7 @@ ActionWithAveraging::ActionWithAveraging( const ActionOptions& ao ):
   ActionWithValue(ao),
   ActionWithVessel(ao),
   myaverage(NULL),
+  normalization(t),
   useRunAllTasks(false),
   clearstride(0),
   lweight(0),cweight(0)