diff --git a/api/ble.py b/api/ble.py
index 8420eeb..34a5c9a 100644
--- a/api/ble.py
+++ b/api/ble.py
@@ -209,6 +209,8 @@ def sensor_data_query(mac_list: List[str]) -> List[dict]:
         except Exception as e:
             print(f"Error reading BLE data - {e}")
             this_result = None
+        if "org.freedesktop.DBus.Error.AccessDenied" in e:
+            return result
         if this_result:
             result.append(
                 {"name": mac, "temp": this_result.temperature, "humidity": this_result.humidity}