diff --git a/Code/Common/otbVectorDataExtractROI.txx b/Code/Common/otbVectorDataExtractROI.txx
index 815aa88e20aba1c44fca1c19bb041953a5983381..a311aad503ade2b911f1675aceaf5804a189b4dd 100644
--- a/Code/Common/otbVectorDataExtractROI.txx
+++ b/Code/Common/otbVectorDataExtractROI.txx
@@ -44,6 +44,7 @@ VectorDataExtractROI<TVectorData>
   m_GeoROI(),
   m_DEMDirectory(""),
   m_GeoidFile(""),
+  m_AverageElevation(-32768),
   m_Kept(0)
 {
 }