diff --git a/opm/core/props/pvt/PvtLiveGas.cpp b/opm/core/props/pvt/PvtLiveGas.cpp
index aa6d92c1..28cec7bf 100644
--- a/opm/core/props/pvt/PvtLiveGas.cpp
+++ b/opm/core/props/pvt/PvtLiveGas.cpp
@@ -62,7 +62,10 @@ namespace Opm
             saturated_gas_table_[pvtTableIdx][0] = pvtgTable.getOuterTable()->getPressureColumn(); // Pressure
             saturated_gas_table_[pvtTableIdx][1] = pvtgTable.getOuterTable()->getGasFormationFactorColumn(); // Bg
             saturated_gas_table_[pvtTableIdx][2] = pvtgTable.getOuterTable()->getGasViscosityColumn(); // mu_g
-            saturated_gas_table_[pvtTableIdx][3] = pvtgTable.getOuterTable()->getGasFormationFactorColumn(); // TODO
+            // The number of the columns
+            int nColumns = saturated_gas_table_[pvtTableIdx][2].size();
+            saturated_gas_table_[pvtTableIdx][3].resize(nColumns); // allocate memory for 1/(Bg*mu_g)
+            // saturated_gas_table_[pvtTableIdx][3] = pvtgTable.getOuterTable()->getGasFormationFactorColumn(); // TODO
             saturated_gas_table_[pvtTableIdx][4] = pvtgTable.getOuterTable()->getOilSolubilityColumn(); // Rv
 
             int sz = pvtgTable.getOuterTable()->numRows();
@@ -75,7 +78,9 @@ namespace Opm
                 undersat_gas_tables_[pvtTableIdx][i][0] = undersatTable.getOilSolubilityColumn(); // Rv
                 undersat_gas_tables_[pvtTableIdx][i][1] = undersatTable.getGasFormationFactorColumn(); // Bg
                 undersat_gas_tables_[pvtTableIdx][i][2] = undersatTable.getGasViscosityColumn();  // mu_g
-                undersat_gas_tables_[pvtTableIdx][i][3] = undersatTable.getGasViscosityColumn();  // TODO
+                int nColumns = undersat_gas_tables_[pvtTableIdx][i][2].size();
+                undersat_gas_tables_[pvtTableIdx][i][3].resize(nColumns); // allocate memory for 1/(Bg*mu_g)
+                // undersat_gas_tables_[pvtTableIdx][i][3] = undersatTable.getGasViscosityColumn();  // TODO
             }
 
             // Bg -> 1/Bg
diff --git a/opm/core/props/pvt/PvtLiveOil.cpp b/opm/core/props/pvt/PvtLiveOil.cpp
index 1621f1dc..49549d38 100644
--- a/opm/core/props/pvt/PvtLiveOil.cpp
+++ b/opm/core/props/pvt/PvtLiveOil.cpp
@@ -68,7 +68,7 @@ namespace Opm
                 const auto undersaturatedPvto = pvtoTable.getInnerTable(i);
 
                 // undersat_oil_tables_[pvtTableIdx][i].resize(3);
-                // adding a extra colummn to the PVTO to store 1/BV
+                // adding a extra colummn to the PVTO to store 1/(B*mu)
                 undersat_oil_tables_[pvtTableIdx][i].resize(4);
                 int tsize = undersaturatedPvto->numRows();
                 undersat_oil_tables_[pvtTableIdx][i][0].resize(tsize);
@@ -117,7 +117,7 @@ namespace Opm
                     double mu = (undersat_oil_tables_[pvtTableIdx][i][2].back())*(1.0+0.5*visc)/(1.0-0.5*visc);
                     undersat_oil_tables_[pvtTableIdx][i][2].push_back(mu);
 
-                    // a try to expolate the 1/BMu
+                    // A try to expolate the 1/BMu with the expolated mu and B
                     double inverseBMu = 1.0 / (B*mu);
                     undersat_oil_tables_[pvtTableIdx][i][3].push_back(inverseBMu);