diff --git a/easy-fdmr.sh b/easy-fdmr.sh
index 6bd0390..c50f191 100644
--- a/easy-fdmr.sh
+++ b/easy-fdmr.sh
@@ -91,8 +91,10 @@ fi
 # Instalación de módulos pip según el sistema operativo
 if [ "$OS" == "debian" ] && [ "$VERSION" == "12" ]; then
     /usr/bin/python3 -m pip install --break-system-packages pyOpenSSL autobahn jinja2 dmr-utils3 ansi2html aprslib tinydb mysqlclient setproctitle pynmea2 maidenhead Twisted spyne Pyro5 bitstring bitarray dmr_utils3 configparser resettabletimer setuptools wheel MarkupSafe service-identity
-    sudo pip3 uninstall -y twisted --quiet
-    sudo pip3 install twisted --quiet
+    source myenv/bin/activate
+    /usr/bin/python3 -m pip uninstall --break-system-packages twisted -y
+    /usr/bin/python3 -m pip install --break-system-packages twisted==22.10.0
+    deactivate
 else
     /usr/bin/python3 -m pip install --upgrade pyOpenSSL autobahn jinja2 dmr-utils3 ansi2html aprslib tinydb mysqlclient setproctitle pynmea2 maidenhead Twisted spyne Pyro5 bitstring bitarray dmr_utils3 configparser resettabletimer setuptools wheel MarkupSafe service-identity
     sudo pip3 uninstall -y twisted --quiet