diff --git a/libervia/backend/bridge/bridge_constructor/constructors/pb/pb_core_template.py b/libervia/backend/bridge/bridge_constructor/constructors/pb/pb_core_template.py
index 88db419f..e3de6718 100644
--- a/libervia/backend/bridge/bridge_constructor/constructors/pb/pb_core_template.py
+++ b/libervia/backend/bridge/bridge_constructor/constructors/pb/pb_core_template.py
@@ -19,10 +19,12 @@
 
 
 import dataclasses
-from functools import partial
 from pathlib import Path
-from twisted.spread import jelly, pb
+
 from twisted.internet import reactor
+from twisted.spread import jelly, pb
+
+from libervia.backend.core import exceptions
 from libervia.backend.core.log import getLogger
 from libervia.backend.tools import config
 
@@ -103,7 +105,7 @@ class PBRoot(pb.Root):
 ##METHODS_PART##
 
 
-class bridge(object):
+class bridge:
     def __init__(self):
         log.info("Init Perspective Broker...")
         self.root = PBRoot()
@@ -113,6 +115,18 @@ class bridge(object):
         if conn_type == "unix_socket":
             socket_path = bridge_conf.socket_dir / "bridge_pb"
             log.info(f"using UNIX Socket at {socket_path}")
+            if socket_path.exists():
+                if socket_path.is_socket():
+                    log.warning(
+                        "There is already a socket at this path, probably due to a bad "
+                        "closing of the backend; we remove it."
+                    )
+                    socket_path.unlink()
+
+                else:
+                    raise exceptions.BridgeInitError(
+                        f"Unexpected file at socket path: {socket_path}"
+                    )
             reactor.listenUNIX(
                 str(socket_path), pb.PBServerFactory(self.root), mode=0o600
             )
diff --git a/libervia/backend/bridge/pb.py b/libervia/backend/bridge/pb.py
index 2215f846..e8b12436 100644
--- a/libervia/backend/bridge/pb.py
+++ b/libervia/backend/bridge/pb.py
@@ -19,10 +19,12 @@
 
 
 import dataclasses
-from functools import partial
 from pathlib import Path
-from twisted.spread import jelly, pb
+
 from twisted.internet import reactor
+from twisted.spread import jelly, pb
+
+from libervia.backend.core import exceptions
 from libervia.backend.core.log import getLogger
 from libervia.backend.tools import config
 
@@ -103,7 +105,7 @@ class PBRoot(pb.Root):
 ##METHODS_PART##
 
 
-class bridge(object):
+class bridge:
     def __init__(self):
         log.info("Init Perspective Broker...")
         self.root = PBRoot()
@@ -113,6 +115,18 @@ class bridge(object):
         if conn_type == "unix_socket":
             socket_path = bridge_conf.socket_dir / "bridge_pb"
             log.info(f"using UNIX Socket at {socket_path}")
+            if socket_path.exists():
+                if socket_path.is_socket():
+                    log.warning(
+                        "There is already a socket at this path, probably due to a bad "
+                        "closing of the backend; we remove it."
+                    )
+                    socket_path.unlink()
+
+                else:
+                    raise exceptions.BridgeInitError(
+                        f"Unexpected file at socket path: {socket_path}"
+                    )
             reactor.listenUNIX(
                 str(socket_path), pb.PBServerFactory(self.root), mode=0o600
             )