diff --git a/dumux/material/components/tabulatedcomponent.hh b/dumux/material/components/tabulatedcomponent.hh
index 53c72d7ecea3635793b4ba318b2315d480db49da..31e1ecbea580f0dfa0122200bfe1ec2c08a9ab1b 100644
--- a/dumux/material/components/tabulatedcomponent.hh
+++ b/dumux/material/components/tabulatedcomponent.hh
@@ -546,7 +546,8 @@ private:
         alphaP1 -= iP1;
         alphaP2 -= iP2;
 
-#ifndef NDEBUG
+
+#if 0 && !defined NDEBUG
         if(!(0 <= alphaT && alphaT <= 1.0))
             DUNE_THROW(NumericalProblem, "Temperature out of range: "
                        << "T=" << T << " range: [" << tempMin_ << ", " << tempMax_ << "]");
@@ -585,7 +586,7 @@ private:
         alphaP1 -= iP1;
         alphaP2 -= iP2;
 
-#ifndef NDEBUG
+#if 0 && !defined NDEBUG
         if(!(0 <= alphaT && alphaT <= 1.0))
             DUNE_THROW(NumericalProblem, "Temperature out of range: "
                        << "T=" << T << " range: [" << tempMin_ << ", " << tempMax_ << "]");
@@ -692,26 +693,26 @@ private:
     // returns the minimum tabulized liquid pressure at a given
     // temperature index
     static Scalar minLiquidPressure_(int tempIdx)
-    { return pressMin_; }
-    // { return std::max<Scalar>(pressMin_, vaporPressure_[tempIdx] / 1.1); }
+    // { return pressMin_; }
+    { return std::max<Scalar>(pressMin_, vaporPressure_[tempIdx] / 1.1); }
 
     // returns the maximum tabulized liquid pressure at a given
     // temperature index
     static Scalar maxLiquidPressure_(int tempIdx)
-    { return pressMax_; }
-//    { return std::max<Scalar>(pressMax_, vaporPressure_[tempIdx] * 1.1); }
+    // { return pressMax_; }
+    { return std::max<Scalar>(pressMax_, vaporPressure_[tempIdx] * 1.1); }
 
     // returns the minumum tabulized gas pressure at a given
     // temperature index
     static Scalar minGasPressure_(int tempIdx)
-    { return pressMin_; }
-//    { return std::min<Scalar>(pressMin_, vaporPressure_[tempIdx] / 1.1 ); }
+    // { return pressMin_; }
+    { return std::min<Scalar>(pressMin_, vaporPressure_[tempIdx] / 1.1 ); }
 
     // returns the maximum tabulized gas pressure at a given
     // temperature index
     static Scalar maxGasPressure_(int tempIdx)
-    { return pressMax_; }
-//    { return std::min<Scalar>(pressMax_, vaporPressure_[tempIdx] * 1.1); }
+    // { return pressMax_; }
+    { return std::min<Scalar>(pressMax_, vaporPressure_[tempIdx] * 1.1); }
 
 
     // returns the minimum tabulized liquid density at a given
diff --git a/test/boxmodels/MpNc/obstacleproblem.hh b/test/boxmodels/MpNc/obstacleproblem.hh
index 1a4968eb0d2799389d4f47b9f0ec3d1587b32b04..bb76421d3a4aff227d390cd78c1732d977def747 100644
--- a/test/boxmodels/MpNc/obstacleproblem.hh
+++ b/test/boxmodels/MpNc/obstacleproblem.hh
@@ -186,8 +186,8 @@ public:
         Scalar Tmax = temperature_ + 1.0;
         int nT = 3;
 
-        Scalar pmin = 0.0;
-        Scalar pmax = 1e6;
+        Scalar pmin = 1.0e5 * 0.75;
+        Scalar pmax = 2.0e5 * 1.25;
         int np = 1000;
 
         FluidSystem::init(Tmin, Tmax, nT, pmin, pmax, np);