diff --git a/Common/processfields.cpp b/Common/processfields.cpp
index 938249c..88663e5 100644
--- a/Common/processfields.cpp
+++ b/Common/processfields.cpp
@@ -77,8 +77,9 @@ void ProcessFields::SetDumpMode(Engine_Interface_Base::InterpolationType mode)
 	m_Eng_Interface->SetInterpolationType(mode);
 	if (mode==Engine_Interface_Base::CELL_INTERPOLATE)
 		m_dualMesh=true;
-	else
+	else if (mode==Engine_Interface_Base::NODE_INTERPOLATE)
 		m_dualMesh=false;
+	//else keep the preset/user defined case
 }
 
 void ProcessFields::DefineStartStopCoord(double* dstart, double* dstop)
diff --git a/openems.cpp b/openems.cpp
index 60944c1..49ec04e 100644
--- a/openems.cpp
+++ b/openems.cpp
@@ -540,7 +540,11 @@ int openEMS::SetupFDTD(const char* file)
 					ProcField->SetEnable(Enable_Dumps);
 					ProcField->SetProcessInterval(Nyquist/m_OverSampling);
 					if ((db->GetDumpType()==1) || (db->GetDumpType()==11))
+					{
 						ProcField->SetDualTime(true);
+						//make dualMesh the default mesh for h-field dumps, maybe overwritten by interpolation type (node-interpolation)
+						ProcField->SetDualMesh(true);
+					}
 					if ((db->GetDumpType()==10) || (db->GetDumpType()==11))
 						ProcField->AddFrequency(db->GetFDSamples());
 					if (db->GetDumpType()>=10)