diff --git a/run b/run
index 988cf3a..f663fc7 100755
--- a/run
+++ b/run
@@ -148,6 +148,12 @@ cmd_dev() {
 }
 
 cmd_stop() {
+	# Kill vision first — camera must be released before tray gets a chance to respawn it.
+	# Vision ignores SIGTERM (cap.read() blocks the asyncio loop), so SIGKILL is required.
+	pgrep -f "chobit_vision\\.py" | while read -r cpid; do
+		kill -9 "$cpid" 2>/dev/null
+	done || true
+
 	# Stop tray
 	if [ -f "$TRAY_PIDFILE" ]; then
 		local tray_pid
@@ -168,7 +174,7 @@ cmd_stop() {
 		kill "$cpid" 2>/dev/null
 	done || true
 	pgrep -f "chobit_vision\\.py" | while read -r cpid; do
-		kill "$cpid" 2>/dev/null
+		kill -9 "$cpid" 2>/dev/null
 	done || true
 
 	# Stop Godot