diff --git a/frigate/util/services.py b/frigate/util/services.py
index 0d5de327d..6ffb6ea29 100644
--- a/frigate/util/services.py
+++ b/frigate/util/services.py
@@ -143,6 +143,9 @@ def get_cpu_stats() -> dict[str, dict]:
 
 
 def get_physical_interfaces(interfaces) -> list:
+    if not interfaces:
+        return []
+    
     with open("/proc/net/dev", "r") as file:
         lines = file.readlines()