diff --git a/opm/autodiff/BlackoilMultiSegmentModel.hpp b/opm/autodiff/BlackoilMultiSegmentModel.hpp
index faaf756a2..e34d3b602 100644
--- a/opm/autodiff/BlackoilMultiSegmentModel.hpp
+++ b/opm/autodiff/BlackoilMultiSegmentModel.hpp
@@ -203,6 +203,10 @@ namespace Opm {
 
         std::vector<int> top_well_segments_;
 
+        // segment volume by dt (time step)
+        // to handle the volume effects of the segment
+        V segvdt_;
+
         // return wells object
         // TODO: remove this wells structure
         using Base::wells;
diff --git a/opm/autodiff/BlackoilMultiSegmentModel_impl.hpp b/opm/autodiff/BlackoilMultiSegmentModel_impl.hpp
index 249349535..5b5d95378 100644
--- a/opm/autodiff/BlackoilMultiSegmentModel_impl.hpp
+++ b/opm/autodiff/BlackoilMultiSegmentModel_impl.hpp
@@ -122,6 +122,18 @@ namespace Opm {
         top_well_segments_ = well_state.topSegmentLoc();
 
         //TODO: handle the volume related.
+        // again, we need a global wells class
+        const int nw = wellsMultiSegment().size();
+        const int nseg_total = well_state.numSegments();
+        std::vector<double> segment_volume;
+        segment_volume.reserve(nseg_total);
+        for (int w = 0; w < nw; ++w) {
+            WellMultiSegmentConstPtr well = wellsMultiSegment()[w];
+            const std::vector<double>& segment_volume_well = well->segmentVolume();
+            segment_volume.insert(segment_volume.end(), segment_volume_well.begin(), segment_volume_well.end());
+        }
+        assert(int(segment_volume.size()) == nseg_total);
+        segvdt_ = Eigen::Map<V>(segment_volume.data(), nseg_total) / dt;
     }