diff --git a/app/include/Driver.h b/app/include/Driver.h
index 6f57db9..a2f0dc5 100644
--- a/app/include/Driver.h
+++ b/app/include/Driver.h
@@ -18,10 +18,10 @@
 #include "CommaSeparatedIterator.h"
 #include "DriverConfig.h"
 #include "ReturnCodes.h"
-#include "Structs.h"
 
-#include "ITS.Propagation.LFMF/LFMF.h"
 
+#include "ITS.Propagation.LFMF/LFMF.h"
+#include "Structs.h"
 /////////////////////////////
 // Macros
 
diff --git a/app/include/Structs.h b/app/include/Structs.h
index 48c4c06..d47a000 100644
--- a/app/include/Structs.h
+++ b/app/include/Structs.h
@@ -23,7 +23,8 @@ struct LFMFParams {
         double d__km;           ///<  Path distance, in km
         double epsilon;         ///<  Relative permittivity
         double sigma;           ///<  Conductivity
-        int pol;                ///<  Polarization: 0 = Horizontal, 1 = Vertical
+        ITS::Propagation::LFMF::Polarization
+            pol;  ///<  Polarization: 0 = Horizontal, 1 = Vertical
 };
 
 /** Key names for LFMF Model input file parameters */
diff --git a/app/src/LFMFModel.cpp b/app/src/LFMFModel.cpp
index aa6a926..5acb775 100644
--- a/app/src/LFMFModel.cpp
+++ b/app/src/LFMFModel.cpp
@@ -86,9 +86,14 @@ DrvrReturnCode ParseLFMFInputStream(std::istream &stream, LFMFParams &lfmf_param
             if (rtn == DRVRERR__PARSE)
                 rtn = DRVRERR__PARSE_SIGMA;
         } else if (key.compare(LFMFInputKeys::pol) == 0) {
-            rtn = ParseInteger(value, lfmf_params.pol);
+            int i_pol;
+            rtn = ParseInteger(
+                value, i_pol
+            );
             if (rtn == DRVRERR__PARSE)
                 rtn = DRVRERR__PARSE_POLARIZATION;
+            else
+                lfmf_params.pol = static_cast<Polarization>(i_pol);
         } else {
             std::cerr << "Unknown parameter: " << key << std::endl;
             rtn = DRVRERR__PARSE;
diff --git a/include/ITS.Propagation.LFMF/LFMF.h b/include/ITS.Propagation.LFMF/LFMF.h
index 1dfd9e8..975e857 100644
--- a/include/ITS.Propagation.LFMF/LFMF.h
+++ b/include/ITS.Propagation.LFMF/LFMF.h
@@ -138,7 +138,12 @@ complex<double> WiRoot(
     AiryFunctionScaling scaling
 );
 ReturnCode ValidateInput(double h_tx__meter, double h_rx__meter, double f__mhz, double P_tx__watt,
-    double N_s, double d__km, double epsilon, double sigma, int pol);
+    double N_s,
+    double d__km,
+    double epsilon,
+    double sigma,
+    Polarization pol
+);
 bool AlmostEqualRelative(double A, double B, double maxRelDiff = DBL_EPSILON);
 
 }  // namespace LFMF
diff --git a/src/ValidateInputs.cpp b/src/ValidateInputs.cpp
index befc082..578b384 100644
--- a/src/ValidateInputs.cpp
+++ b/src/ValidateInputs.cpp
@@ -28,8 +28,12 @@ namespace LFMF {
 *
  *****************************************************************************/
 ReturnCode ValidateInput(double h_tx__meter, double h_rx__meter, double f__mhz, double P_tx__watt,
-    double N_s, double d__km, double epsilon, double sigma, int pol)
-{
+    double N_s,
+    double d__km,
+    double epsilon,
+    double sigma,
+    Polarization pol
+) {
     if (h_tx__meter < 0 || h_tx__meter > 50)
         return ERROR__TX_TERMINAL_HEIGHT;