diff --git a/changelog.md b/changelog.md
index c5d0e45..405ad6b 100644
--- a/changelog.md
+++ b/changelog.md
@@ -2,6 +2,12 @@
 
 ## x.y.z
 
+## 2.2.5
+
+CHANGED:
+- Valhalla build config: increase default isochrone limits
+- subprocess : check return code and raise Runtime exception if not 0
+
 ## 2.2.4
 
 CHANGED:
diff --git a/r2gg/__about__.py b/r2gg/__about__.py
index 10db08c..d0c640c 100644
--- a/r2gg/__about__.py
+++ b/r2gg/__about__.py
@@ -34,7 +34,7 @@
 __uri_tracker__ = f"{__uri_repository__}issues/"
 __uri__ = __uri_repository__
 
-__version__ = "2.2.4"
+__version__ = "2.2.5"
 __version_info__ = tuple(
     [
         int(num) if num.isdigit() else num
diff --git a/r2gg/_main.py b/r2gg/_main.py
index fa86d17..d242d41 100644
--- a/r2gg/_main.py
+++ b/r2gg/_main.py
@@ -407,16 +407,20 @@ def valhalla_convert(config, resource, logger, build_lua_from_cost_config = True
         start_command = time.time()
         valhalla_build_config_args = ["valhalla_build_config",
             "--mjolnir-tile-dir",  source["storage"]["dir"],
-            "--mjolnir-tile-extract", source["storage"]["tar"]]
+            "--mjolnir-tile-extract", source["storage"]["tar"],
+            # Modification des limites par défaut du service : 10h pour isochrone et 1000km pour iso distance
+            # contre 2h et 200km par défaut
+            "--service-limits-isochrone-max-time-contour", "600",
+            "--service-limits-isochrone-max-distance-contour", "1000",
+            # Ajout de l'autorisation à exclure les ponts/tunnels/péages
+            "--service-limits-allow-hard-exclusions", "True"]
         subprocess_execution(valhalla_build_config_args, logger, outfile = source["storage"]["config"])
         # Nécessaire le temps que le fichier s'écrive...
         time.sleep(1)
-        # Ajout du graph custom dans la config valhalla
+        # Ajout du graph custom dans la config valhalla (impossible via les paramètres du build_config)
         with open(source["storage"]["config"], "r") as valhalla_config:
             config_dict = json.load(valhalla_config)
             config_dict["mjolnir"]["graph_lua_name"] = source["costs"][0]["compute"]["storage"]["file"]
-            # Ajout de l'autorisation à exclure les ponts/tunnels/péages
-            config_dict["service_limits"]["allow_hard_exclusions"] = True
 
         with open(source["storage"]["config"], "w") as valhalla_config:
             valhalla_config.write(json.dumps(config_dict))
diff --git a/r2gg/_subprocess_execution.py b/r2gg/_subprocess_execution.py
index 343acda..d2817b5 100644
--- a/r2gg/_subprocess_execution.py
+++ b/r2gg/_subprocess_execution.py
@@ -14,7 +14,8 @@ def subprocess_execution(args, logger, outfile = None):
     """
     try:
         str_args = [str(arg) for arg in args]
-        logger.info('Subprocess: \"' + " ".join(str_args) + '\"')
+        subprocess_arg = " ".join(str_args)
+        logger.info('Subprocess: \"' + subprocess_arg + '\"')
         if outfile is not None:
             with open(outfile, "w") as out:
                 process = subprocess.Popen(
@@ -32,6 +33,12 @@ def subprocess_execution(args, logger, outfile = None):
             process_output, _ =  process.communicate()
             logger.info(process_output.decode("utf-8"))
 
+        returncode = process.returncode
+        if process.returncode != 0:
+            error_msg = f"Invalid returncode {returncode} for subprocess '{subprocess_arg}'"
+            logger.error(error_msg)
+            raise RuntimeError(error_msg)
+
 
     except (OSError, subprocess.CalledProcessError) as exception:
         logger.info('Exception occured: ' + str(exception))