diff --git a/matlab/ReadHDF5Mesh.m b/matlab/ReadHDF5Mesh.m
index 1ea2690..5599e10 100644
--- a/matlab/ReadHDF5Mesh.m
+++ b/matlab/ReadHDF5Mesh.m
@@ -1,10 +1,12 @@
 function hdf_mesh = ReadHDF5Mesh(file)
 % function hdf_mesh = ReadHDF5Mesh(file)
 %
+%   Get the raw mesh data stored in the hdf5 dump file created by openEMS
+%
 % returns:
-% hdf_mesh.type
-% hdf_mesh.names
-% hdf_mesh.lines
+% hdf_mesh.type     (0-> cartesian, 1-> cylindrical mesh type)
+% hdf_mesh.names    (e.g. 'Mesh/y')
+% hdf_mesh.lines    (e.g. [0,1,2,3,4])
 %
 % openEMS matlab interface
 % -----------------------
@@ -27,8 +29,12 @@ for n=1:numel(names)
     hdf_mesh.lines{n} = double(hdf5read(file,names{n}));
 end
 
-if (strcmp(names{1},'/mesh/rho'))
+if (strcmp(names{1},'/Mesh/alpha'))
+    % alpha and rho are in the wrong order, flip to have rho, alpha, z
+    hdf_mesh.names(1:2) = fliplr(hdf_mesh.names(1:2));
+    hdf_mesh.lines(1:2) = fliplr(hdf_mesh.lines(1:2));
     hdf_mesh.type=1;
-else
-    hdf_mesh.type=0;
-end
\ No newline at end of file
+    return
+end
+
+hdf_mesh.type=0;