diff --git a/Python/site-packages/sv_rom_simulation/io_0d.py b/Python/site-packages/sv_rom_simulation/io_0d.py
index 472250fa8..18325b8c7 100644
--- a/Python/site-packages/sv_rom_simulation/io_0d.py
+++ b/Python/site-packages/sv_rom_simulation/io_0d.py
@@ -85,14 +85,13 @@ def write_0d_solver_file(mesh, params, model):
     for i, j_branches in enumerate(mesh.seg_connectivity):
         # general junction properties
         junction = {'junction_name': 'J' + str(i),
-                    'junction_type': 'internal_junction',
+                    'junction_type': 'NORMAL_JUNCTION',
                     'inlet_vessels': [int(j_branches[0])],
                     'outlet_vessels': []}
         for j in j_branches[1:]:
             junction['outlet_vessels'] += [int(j)]
         # branching vessels
         if len(j_branches) > 2:
-            junction['junction_type'] = 'NORMAL_JUNCTION'
             junction['tangents'] = mesh.junctions[i]['tangents']
             for n in ['areas', 'lengths']:
                 junction[n] = [float(v) for v in mesh.junctions[i][n]]