diff --git a/well-api.py b/well-api.py
index ac27316..d774638 100644
--- a/well-api.py
+++ b/well-api.py
@@ -16660,6 +16660,8 @@ class WellApi:
                 device_id = form_data.get('device_id')
                 device_mac = form_data.get('mac')
                 min_well_id = form_data.get('min_well_id')
+                if min_well_id != None:
+                    min_well_id = int(min_well_id)
 
                 if device_mac != None:
                     device_det = GetDeviceDetailsSingleFromMac(device_mac)