diff --git a/scripts/deploy_runner.sh b/scripts/deploy_runner.sh
index 4c2c283..4315fec 100755
--- a/scripts/deploy_runner.sh
+++ b/scripts/deploy_runner.sh
@@ -55,6 +55,18 @@ if ! command -v docker &>/dev/null; then
     exit 1
 fi
 
+# Transition systemd -> Docker (une seule fois) : arreter l'ancien service pour
+# eviter deux instances du bot avec le meme token Discord.
+if command -v systemctl &>/dev/null && systemctl list-unit-files 2>/dev/null | grep -q '^vision-studio\.service'; then
+    if systemctl is-active --quiet vision-studio 2>/dev/null; then
+        log "Transition: arret du service systemd vision-studio..."
+        if ! sudo -n systemctl stop vision-studio 2>/dev/null; then
+            log "WARN: arret systemd refuse (sudo sans mot de passe). A faire une fois manuellement:"
+            log "      sudo systemctl stop vision-studio && sudo systemctl disable vision-studio"
+        fi
+    fi
+fi
+
 if [ "$REBUILD" = "true" ]; then
     log "requirements/Dockerfile modifies -> rebuild image Docker..."
     if ! docker compose build --no-cache vision; then