diff --git a/onshape_to_robot/onshape_api/client.py b/onshape_to_robot/onshape_api/client.py
index 02f7d14..26ae17b 100644
--- a/onshape_to_robot/onshape_api/client.py
+++ b/onshape_to_robot/onshape_api/client.py
@@ -15,9 +15,6 @@
 import hashlib
 from pathlib import Path
 
-def double_escape_slash(s):
-    return s.replace('/', '%252f')
-
 def escape_slash(s):
     return s.replace('/', '%2f')
 
@@ -341,7 +338,7 @@ def invoke():
 
     def part_get_metadata(self, did, mid, eid, partid, configuration = 'default'):
         def invoke():
-            return self._api.request('get', '/api/parts/d/' + did + '/m/' + mid + '/e/' + eid + '/partid/'+double_escape_slash(partid)+'/metadata', query={'configuration': configuration})
+            return self._api.request('get', '/api/parts/d/' + did + '/m/' + mid + '/e/' + eid + '/partid/'+escape_slash(partid)+'/metadata', query={'configuration': configuration})
 
         return json.loads(self.cache_get('metadata', (did, mid, eid, self.hash_partid(partid), configuration), invoke, True))