diff --git a/src/core/pyros_django/env_monitor/plc_checker.py b/src/core/pyros_django/env_monitor/plc_checker.py
index f599889..2cdf6ab 100644
--- a/src/core/pyros_django/env_monitor/plc_checker.py
+++ b/src/core/pyros_django/env_monitor/plc_checker.py
@@ -154,11 +154,11 @@ class PlcChecker(object):
             # When executing test, we're not in the monitoring folder
             if("pyros_django" == os.getcwd().split("/")[-1]):
                 plc_config_dir = Path("./env_monitor/")
-            _file = open(plc_config_dir/"plc_config.json" , 'w')
+            _file = open(os.path.join(plc_config_dir,"plc_config.json") , 'w')
             _file.write(json.dumps(_struct))
             _file.close()
             logger.info("Saved : plc_config.json")
-        except:
+        except Exception as :
             logger.error("Not saved plc_config.json")
             raise Exception(f"Could not save plc_config.json ; current dir is {os.getcwd()} ; plc_config_dir is {plc_config_dir}")
 
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libgit2 0.21.2