diff --git a/dev/dev-agent.sh b/dev/dev-agent.sh
index 07530b0..cbc44e6 100755
--- a/dev/dev-agent.sh
+++ b/dev/dev-agent.sh
@@ -40,7 +40,7 @@ REPO_ROOT="${PROJECT_REPO_ROOT}"
 
 API="${CODEBERG_API}"
 LOCKFILE="/tmp/dev-agent-${PROJECT_NAME:-default}.lock"
-STATUSFILE="/tmp/dev-agent-status"
+STATUSFILE="/tmp/dev-agent-status-${PROJECT_NAME:-default}"
 
 # Gitea labels API requires []int64 — look up the "backlog" label ID once
 BACKLOG_LABEL_ID=$(codeberg_api GET "/labels" 2>/dev/null \
diff --git a/supervisor/supervisor-poll.sh b/supervisor/supervisor-poll.sh
index 7e7b211..b946a10 100755
--- a/supervisor/supervisor-poll.sh
+++ b/supervisor/supervisor-poll.sh
@@ -331,7 +331,7 @@ check_project() {
         rm -f "$DEV_LOCK"
         fixed "${proj_name}: Removed stale dev-agent lock (PID ${DEV_PID} dead)"
       else
-        DEV_STATUS_AGE=$(stat -c %Y /tmp/dev-agent-status 2>/dev/null || echo 0)
+        DEV_STATUS_AGE=$(stat -c %Y "/tmp/dev-agent-status-${PROJECT_NAME:-default}" 2>/dev/null || echo 0)
         NOW_EPOCH=$(date +%s)
         STATUS_AGE_MIN=$(( (NOW_EPOCH - DEV_STATUS_AGE) / 60 ))
         if [ "$STATUS_AGE_MIN" -gt 30 ]; then