diff --git a/dumux/porousmediumflow/2pnc/iofields.hh b/dumux/porousmediumflow/2pnc/iofields.hh
index 1f1ef53cd64e1e7f3e5229d7ee0a14caf945d30a..c04b98110529cef4362ab479bd29bb020ece385e 100644
--- a/dumux/porousmediumflow/2pnc/iofields.hh
+++ b/dumux/porousmediumflow/2pnc/iofields.hh
@@ -106,10 +106,10 @@ public:
         switch (ModelTraits::priVarFormulation())
         {
         case TwoPFormulation::p0s1:
-            return pvIdx == 0 ? IOName::pressure<FluidSystem>(FluidSystem::wPhaseIdx)
+            return pvIdx == 0 ? IOName::pressure<FluidSystem>(FluidSystem::phase0Idx)
                               : p0s1SwitchedPvNames[state-1];
         case TwoPFormulation::p1s0:
-            return pvIdx == 0 ? IOName::pressure<FluidSystem>(FluidSystem::nPhaseIdx)
+            return pvIdx == 0 ? IOName::pressure<FluidSystem>(FluidSystem::phase1Idx)
                               : p1s0SwitchedPvNames[state-1];
         default: DUNE_THROW(Dune::InvalidStateException, "Invalid formulation ");
         }
diff --git a/dumux/porousmediumflow/mineralization/iofields.hh b/dumux/porousmediumflow/mineralization/iofields.hh
index 0ca489e4d42460aed372b8244521afad070f26ab..62124d295b8d040224c81f4c551980331a6ca308 100644
--- a/dumux/porousmediumflow/mineralization/iofields.hh
+++ b/dumux/porousmediumflow/mineralization/iofields.hh
@@ -63,10 +63,10 @@ public:
     template <class ModelTraits, class FluidSystem, class SolidSystem>
     static std::string primaryVariableName(int pvIdx, int state = 0)
     {
-        static constexpr int nonMinNumEq = ModelTraits::numEq() - ModelTraits::numSolidComp() + ModelTraits::numInertSolidComp();
+        static constexpr int nonMinNumEq = ModelTraits::numEq() - ModelTraits::numSolidComps() + ModelTraits::numInertSolidComps();
 
         if (pvIdx < nonMinNumEq)
-            return NonMineralizationIOFields::template primaryVariableName<FluidSystem, SolidSystem>(pvIdx, state);
+            return NonMineralizationIOFields::template primaryVariableName<ModelTraits, FluidSystem, SolidSystem>(pvIdx, state);
         else
             return IOName::solidVolumeFraction<SolidSystem>(pvIdx - nonMinNumEq);
     }