diff --git a/src/pyutil/jsonutil.py b/src/pyutil/jsonutil.py
index 520a6d155707fd0d1cffad11168e648868954b49..42937b84193c2226fcd62156839eaf35f83469f8 100644
--- a/src/pyutil/jsonutil.py
+++ b/src/pyutil/jsonutil.py
@@ -663,14 +663,14 @@ def json_basic_go_home(ns, speed, node_uuid="", use_alias=False, use_lock=False)
     }
     return jobj;
 
-def json_basic_drop(ns, servo_number, node_uuid="", use_alias=False, use_lock=False):
-    print("SERVONUMBER basic_drop:", servo_number)
+def json_basic_drop(ns, type, node_uuid="", use_alias=False, use_lock=False):
+    print("TYPE basic_drop:", type)
     jobj = {
         "children": [],
         "common_params": get_common_params (ns, use_alias, node_uuid, use_lock=use_lock),                
         "name": "drop",
         "params": {
-            "servo-number": servo_number
+            "type": type
         }
     }
     return jobj;