diff --git a/modules/hrudelin_3_hrugen.py b/modules/hrudelin_3_hrugen.py
index 5354dae645cc998c452a106c332c2d6ab35fd05c..a92591aa8a9ca27e860d3c5931f71f8029073850 100755
--- a/modules/hrudelin_3_hrugen.py
+++ b/modules/hrudelin_3_hrugen.py
@@ -492,21 +492,21 @@ def main(parms_file, nbProc, generator=True):
 
     data_list = []
     mask_list = []
-    if parms.get('layer_overlay', 'dem') == 'x':
+    if parms.get('layer_overlay', 'dem') == 'yes':
         print('----------------------------- Importing raster \'step1_dem_reclass.tif\'')
         dem = 'dem'
         grass_run_command('r.in.gdal', flags='o', input=dem_recl, output=dem, overwrite='True', stdout=DEVNULL, stderr=DEVNULL)
         data_list.append('dem')
         mask_list.append('dem_msk')
 
-    if parms.get('layer_overlay', 'slope') == 'x':
+    if parms.get('layer_overlay', 'slope') == 'yes':
         print('----------------------------- Importing raster \'step1_slope_reclass.tif\'')
         slp_recl = os.path.join(directory_out, 'step1_slope_reclass.tif')
         grass_run_command('r.in.gdal', flags='o', input=slp_recl, output='slp', overwrite='True', stdout=DEVNULL, stderr=DEVNULL)
         data_list.append('slp')
         mask_list.append('slp_msk')
 
-    if parms.get('layer_overlay', 'aspect') == 'x':
+    if parms.get('layer_overlay', 'aspect') == 'yes':
         print('----------------------------- Importing raster \'step1_aspect_reclass.tif\'')
         asp_recl = os.path.join(directory_out, 'step1_aspect_reclass.tif')
         grass_run_command('r.in.gdal', flags='o', input=asp_recl, output='asp', overwrite='True', stdout=DEVNULL, stderr=DEVNULL)
diff --git a/modules/hrudelin_parms_J2000.py b/modules/hrudelin_parms_J2000.py
index c661b82c09e1ca981665289cd1922d2101f4c80b..4176dfcbbc876deb974cd5ea740377b18c6a11ad 100755
--- a/modules/hrudelin_parms_J2000.py
+++ b/modules/hrudelin_parms_J2000.py
@@ -492,7 +492,7 @@ def main(parms_file, nbProc, generator=False):
     # Find maximum destination rate (need to be updated because of additiona 2 line header
     # output adapted to requirements for Bjoern tool (see next)
 
-    if (parms.get('topology', 'dissolve_cycle')) == 'y':
+    if (parms.get('topology', 'dissolve_cycle')) == 'yes':
         print('------------- Dissolve cycles -------------', time.strftime('%a, %d %b %Y, %H:%M:%S', time.localtime()))
         # adaptation N1
         topoToHruPath = os.path.join(tmpPath, 'topologie_to_hru.par')