diff --git a/libervia/backend/core/launcher.py b/libervia/backend/core/launcher.py
index 7bb2f6d1..4dfc69ec 100644
--- a/libervia/backend/core/launcher.py
+++ b/libervia/backend/core/launcher.py
@@ -22,10 +22,17 @@ import sys
 import os
 import argparse
 from pathlib import Path
-from twisted.application import app
-from twisted.python import usage
+
+# We want to install asyncreactor before any import from twisted or Libervia to be sure
+# that the right reactor is used.
+from twisted.internet import asyncioreactor
+
+asyncioreactor.install()
+
 from libervia.backend.core.constants import Const as C
 from libervia.backend.tools.config import parse_main_conf
+from twisted.application import app
+from twisted.python import usage
 
 
 class LiberviaLogger(app.AppLogger):
diff --git a/twisted/plugins/libervia_backend_plugin.py b/twisted/plugins/libervia_backend_plugin.py
index b6aae162..1e69d87c 100644
--- a/twisted/plugins/libervia_backend_plugin.py
+++ b/twisted/plugins/libervia_backend_plugin.py
@@ -17,12 +17,14 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
+from twisted.internet.error import ReactorAlreadyInstalledError
 from zope.interface import implementer
 from twisted.python import usage
 from twisted.plugin import IPlugin
 from twisted.application.service import IServiceMaker
 
 # XXX: We need to configure logs before any log method is used, so here is the best place.
+from libervia.backend.core import exceptions
 from libervia.backend.core.constants import Const as C
 from libervia.backend.core.i18n import _
 
@@ -33,7 +35,8 @@ install_wokkel_patches()
 
 def initialise(options):
     """Method to initialise global modules"""
-    # XXX: We need to configure logs before any log method is used, so here is the best place.
+    # XXX: We need to configure logs before any log method is used, so here is the best
+    # place.
     from libervia.backend.core import log_config
 
     log_config.libervia_configure(C.LOG_BACKEND_TWISTED, C, backend_data=options)
@@ -67,7 +70,15 @@ class LiberviaMaker:
     def makeService(self, options):
         from twisted.internet import asyncioreactor
 
-        asyncioreactor.install()
+        try:
+            asyncioreactor.install()
+        except ReactorAlreadyInstalledError as e:
+            from twisted.internet import reactor
+
+            if not isinstance(reactor, asyncioreactor.AsyncioSelectorReactor):
+                raise exceptions.InternalError(
+                    f"Wrong reactor installed: {reactor}"
+                ) from e
         self.set_debugger()
         # XXX: Libervia must be imported after log configuration,
         #      because it write stuff to logs