diff --git a/geoindicators/src/main/groovy/org/orbisgis/geoclimate/geoindicators/SpatialUnits.groovy b/geoindicators/src/main/groovy/org/orbisgis/geoclimate/geoindicators/SpatialUnits.groovy
index 55334b6f6c..566fb8211a 100644
--- a/geoindicators/src/main/groovy/org/orbisgis/geoclimate/geoindicators/SpatialUnits.groovy
+++ b/geoindicators/src/main/groovy/org/orbisgis/geoclimate/geoindicators/SpatialUnits.groovy
@@ -124,8 +124,9 @@ String createTSU(JdbcDataSource datasource, String inputTableName, String inputz
     }
     if (inputzone) {
         String polygons  = postfix("polygons")
+        // todo: put 'mitre' instead of 'round' whenever JTS has been updated to version 1.20
         datasource.execute("""DROP TABLE IF EXISTS $polygons;        
-        CREATE TABLE $polygons as SELECT EXPLOD_ID AS $COLUMN_ID_NAME, ST_SETSRID(ST_BUFFER(ST_BUFFER(the_geom,-0.01, 'join=mitre'), 0.01, 'join=mitre'), $epsg) AS the_geom FROM 
+        CREATE TABLE $polygons as SELECT EXPLOD_ID AS $COLUMN_ID_NAME, ST_SETSRID(ST_BUFFER(ST_BUFFER(the_geom,-0.01, 2), 0.01, 2), $epsg) AS the_geom FROM 
         ST_EXPLODE('(SELECT ST_POLYGONIZE(ST_UNION(ST_NODE(ST_ACCUM(the_geom)))) AS the_geom 
                                 FROM $inputTableName)') 
         """.toString())
diff --git a/geoindicators/src/test/groovy/org/orbisgis/geoclimate/geoindicators/WorkflowGeoIndicatorsTest.groovy b/geoindicators/src/test/groovy/org/orbisgis/geoclimate/geoindicators/WorkflowGeoIndicatorsTest.groovy
index 2d9bbbd9bf..dfeb3cb0a9 100644
--- a/geoindicators/src/test/groovy/org/orbisgis/geoclimate/geoindicators/WorkflowGeoIndicatorsTest.groovy
+++ b/geoindicators/src/test/groovy/org/orbisgis/geoclimate/geoindicators/WorkflowGeoIndicatorsTest.groovy
@@ -572,11 +572,11 @@ class WorkflowGeoIndicatorsTest {
 
         //Check building_fraction > 0
         countResult = datasource.firstRow("select count(*) as count from ${rsuIndicatorsTableName} WHERE BUILDING_FRACTION>0".toString())
-        assertEquals(70, countResult.count)
+        assertEquals(73, countResult.count)
 
         //Check high_vegetation_fraction > 0
         countResult = datasource.firstRow("select count(*) as count from ${rsuIndicatorsTableName} WHERE high_vegetation_fraction>0".toString())
-        assertEquals(18, countResult.count)
+        assertEquals(22, countResult.count)
 
         //Check high_vegetation_water_fraction > 0
         countResult = datasource.firstRow("select count(*) as count from ${rsuIndicatorsTableName} WHERE high_vegetation_water_fraction>0".toString())
@@ -592,7 +592,7 @@ class WorkflowGeoIndicatorsTest {
 
         //Check high_vegetation_road_fraction > 0
         countResult = datasource.firstRow("select count(*) as count from ${rsuIndicatorsTableName} WHERE high_vegetation_road_fraction>0".toString())
-        assertEquals(20, countResult.count)
+        assertEquals(21, countResult.count)
 
         //Check high_vegetation_impervious_fraction > 0
         countResult = datasource.firstRow("select count(*) as count from ${rsuIndicatorsTableName} WHERE high_vegetation_impervious_fraction>0".toString())
@@ -604,7 +604,7 @@ class WorkflowGeoIndicatorsTest {
 
         //Check low_vegetation_fraction > 0
         countResult = datasource.firstRow("select count(*) as count from ${rsuIndicatorsTableName} WHERE low_vegetation_fraction>0".toString())
-        assertEquals(50, countResult.count)
+        assertEquals(55, countResult.count)
 
         //Check low_vegetation_fraction > 0
         countResult = datasource.firstRow("select count(*) as count from ${rsuIndicatorsTableName} WHERE impervious_fraction>0".toString())
diff --git a/osm/src/test/groovy/org/orbisgis/geoclimate/osm/WorflowOSMTest.groovy b/osm/src/test/groovy/org/orbisgis/geoclimate/osm/WorflowOSMTest.groovy
index 52be667be7..540ca88529 100644
--- a/osm/src/test/groovy/org/orbisgis/geoclimate/osm/WorflowOSMTest.groovy
+++ b/osm/src/test/groovy/org/orbisgis/geoclimate/osm/WorflowOSMTest.groovy
@@ -653,7 +653,7 @@ class WorflowOSMTest extends WorkflowAbstractTest {
         def nominatim = org.orbisgis.geoclimate.osmtools.OSMTools.Utilities.getNominatimData(location)
         def grid_size = 100
         location = nominatim.bbox
-        //location=[43.214935,5.336351,43.244890,5.383558]
+        location=[63.4, 12.8, 63.6, 13]
         def osm_parmeters = [
                 "description" : "Example of configuration file to run the OSM workflow and store the result in a folder",
                 "geoclimatedb": [
@@ -677,7 +677,7 @@ class WorflowOSMTest extends WorkflowAbstractTest {
 
                                  "indicatorUse": ["LCZ", "UTRF", "TEB"]
 
-                         ],"grid_indicators": [
+                         ]/*,"grid_indicators": [
                                 "x_size": grid_size,
                                 "y_size": grid_size,
                                 //"rowCol": true,
@@ -694,7 +694,7 @@ class WorflowOSMTest extends WorkflowAbstractTest {
                                                 "SPRAWL_AREAS",
                                                 "SPRAWL_DISTANCES", "SPRAWL_COOL_DISTANCE"],
                                 //"lcz_lod":2
-                        ]/*,    "worldpop_indicators": true,
+                        ]*/ /*,    "worldpop_indicators": true,
 
                          "road_traffic"                                         : true,
                          "noise_indicators"                                     : [