diff --git a/scripts/fullupdater-update b/scripts/fullupdater-update
index 8d28379..5968481 100644
--- a/scripts/fullupdater-update
+++ b/scripts/fullupdater-update
@@ -1,14 +1,21 @@
 #!/bin/bash
 set -e
 
-REPO_URL="https://git.geronzi.fr"
 OWNER="geronzi"
 REPO="full_updater"
 TOKEN_FILE="/etc/full-updater/token"
-CONFIG_FILE="/etc/full-updater/config.ini"
 INSTALLED_VERSION=$(dpkg -s full-updater 2>/dev/null | grep "^Version:" | awk '{print $2}' || echo "0.0.0")
 
-echo "=== Full Updater Update ==="
+# Détecter si on est sur le réseau interne (host Proxmox ou LXC)
+# et utiliser l'IP interne de Forgejo si c'est le cas (NAT loopback)
+if curl -s --max-time 2 "http://10.0.0.4:3000/api/v1/repos/${OWNER}/${REPO}/releases/latest" > /dev/null 2>&1; then
+    REPO_URL="http://10.0.0.4:3000"
+    echo "=== Full Updater Update (mode interne) ==="
+else
+    REPO_URL="https://git.geronzi.fr"
+    echo "=== Full Updater Update ==="
+fi
+
 echo "Version installée : ${INSTALLED_VERSION}"
 
 # Build API headers
@@ -59,6 +66,11 @@ if [ -z "$ASSET_URL" ]; then
     exit 1
 fi
 
+# Si on est en mode interne, remplacer l'URL publique par l'URL interne dans le download
+if [ "$REPO_URL" = "http://10.0.0.4:3000" ]; then
+    ASSET_URL=$(echo "$ASSET_URL" | sed 's|https://git.geronzi.fr|http://10.0.0.4:3000|g')
+fi
+
 TMP_DEB="/tmp/full-updater-${LATEST_VERSION}.deb"
 echo "Téléchargement de ${ASSET_URL}..."
 curl -s -L -o "$TMP_DEB" "${HEADERS[@]}" "$ASSET_URL"