diff --git a/scripts/lib/zulip_tools.py b/scripts/lib/zulip_tools.py
index 35f710858b..b096b91b3d 100755
--- a/scripts/lib/zulip_tools.py
+++ b/scripts/lib/zulip_tools.py
@@ -600,7 +600,21 @@ def is_vagrant_env_host(path: str) -> bool:
 
 
 def has_application_server() -> bool:
-    return os.path.exists("/etc/supervisor/conf.d/zulip/zulip.conf")
+    return (
+        # Current path
+        os.path.exists("/etc/supervisor/conf.d/zulip/zulip.conf")
+        # Old path, relevant for upgrades
+        or os.path.exists("/etc/supervisor/conf.d/zulip.conf")
+    )
+
+
+def has_process_fts_updates() -> bool:
+    return (
+        # Current path
+        os.path.exists("/etc/supervisor/conf.d/zulip/zulip_db.conf")
+        # Old path, relevant for upgrades
+        or os.path.exists("/etc/supervisor/conf.d/zulip_db.conf")
+    )
 
 
 def deport(netloc: str) -> str:
diff --git a/scripts/restart-server b/scripts/restart-server
index 3f4ec89c13..d3a489eca1 100755
--- a/scripts/restart-server
+++ b/scripts/restart-server
@@ -17,6 +17,7 @@ from scripts.lib.zulip_tools import (
     get_config_file,
     get_tornado_ports,
     has_application_server,
+    has_process_fts_updates,
     overwrite_symlink,
 )
 
@@ -90,7 +91,7 @@ if has_application_server():
             worker_status.check_returncode()
         workers.extend(status_line.split()[0] for status_line in worker_status.stdout.splitlines())
 
-if os.path.exists("/etc/supervisor/conf.d/zulip/zulip_db.conf"):
+if has_process_fts_updates():
     workers.append("process-fts-updates")
 
 if action == "restart" and len(workers) > 0:
diff --git a/scripts/stop-server b/scripts/stop-server
index a91c62f94e..0588403d99 100755
--- a/scripts/stop-server
+++ b/scripts/stop-server
@@ -7,7 +7,13 @@ import sys
 import time
 
 sys.path.append(os.path.join(os.path.dirname(__file__), ".."))
-from scripts.lib.zulip_tools import ENDC, OKGREEN, WARNING, has_application_server
+from scripts.lib.zulip_tools import (
+    ENDC,
+    OKGREEN,
+    WARNING,
+    has_application_server,
+    has_process_fts_updates,
+)
 
 deploy_path = os.path.realpath(os.path.join(os.path.dirname(__file__), ".."))
 os.chdir(deploy_path)
@@ -22,7 +28,7 @@ logging.basicConfig(format="%(asctime)s stop-server: %(message)s", level=logging
 services = []
 
 # Start with the least-critical services:
-if os.path.exists("/etc/supervisor/conf.d/zulip/zulip_db.conf"):
+if has_process_fts_updates():
     services.append("process-fts-updates")
 
 if has_application_server():