diff --git a/opm/autodiff/BlackoilSolventModel.hpp b/opm/autodiff/BlackoilSolventModel.hpp
index f14f64671..2c56f4fbe 100644
--- a/opm/autodiff/BlackoilSolventModel.hpp
+++ b/opm/autodiff/BlackoilSolventModel.hpp
@@ -91,6 +91,10 @@ namespace Opm {
         using Base::wellModel;
 
 
+        std::vector<std::vector<double> >
+        computeFluidInPlace(const ReservoirState& x,
+                            const std::vector<int>& fipnum);
+
     protected:
 
         // ---------  Types and enums  ---------
@@ -229,7 +233,6 @@ namespace Opm {
                          const ADB& so,
                          const ADB& sg,
                          const ADB& ss) const;
-
     };
 
 
diff --git a/opm/autodiff/BlackoilSolventModel_impl.hpp b/opm/autodiff/BlackoilSolventModel_impl.hpp
index 9faddde01..33b46c1d7 100644
--- a/opm/autodiff/BlackoilSolventModel_impl.hpp
+++ b/opm/autodiff/BlackoilSolventModel_impl.hpp
@@ -1087,6 +1087,26 @@ namespace Opm {
     }
 
 
+
+
+    template <class Grid>
+    std::vector<std::vector<double> >
+    BlackoilSolventModel<Grid>::
+    computeFluidInPlace(const ReservoirState& x,
+                        const std::vector<int>& fipnum)
+    {
+        if (b_eff_[0].size() == 0) {
+            // A hack to avoid trouble for initial fluid in place, due to usage of b_eff_.
+            WellState xw, xwdummy;
+            xw.init(&wells(), x, xwdummy);
+            SolutionState solstate = variableState(x, xw);
+            computeEffectiveProperties(solstate);
+        }
+        return Base::computeFluidInPlace(x, fipnum);
+    }
+
+
+
 }