diff --git a/app/otbDensePolygonClassStatistics.cxx b/app/otbDensePolygonClassStatistics.cxx
index 5b285a1de9547bb614dd2a72d8cf32cb60713c01..bf43d156a33f5c7d8ea8a672699920df36ce33fb 100644
--- a/app/otbDensePolygonClassStatistics.cxx
+++ b/app/otbDensePolygonClassStatistics.cxx
@@ -139,7 +139,7 @@ private:
         
         OGRFieldType fieldType = feature.ogr().GetFieldDefnRef(iField)->GetType();
         
-        if(fieldType == OFTString || fieldType == OFTInteger)
+        if(fieldType == OFTString || fieldType == OFTInteger || fieldType == OFTInteger64)
           {
           std::string tmpKey="field."+key.substr(0, end - key.begin());
           AddChoice(tmpKey,item);