diff --git a/src/ifcpatch/ifcpatch/recipes/RecycleNonRootedElements.py b/src/ifcpatch/ifcpatch/recipes/RecycleNonRootedElements.py
index 48b6361b46..ac3160837f 100644
--- a/src/ifcpatch/ifcpatch/recipes/RecycleNonRootedElements.py
+++ b/src/ifcpatch/ifcpatch/recipes/RecycleNonRootedElements.py
@@ -1,3 +1,4 @@
+
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #
@@ -19,7 +20,6 @@
 from collections import deque
 import ifcopenshell.util.element
 
-
 class Patcher:
     def __init__(self, src, file, logger, args=None):
         self.src = src
@@ -31,16 +31,9 @@ class Patcher:
         deleted = []
         hashes = {}
         for element in self.file:
-            if element.is_a("IfcRoot"):
+            if element.is_a('IfcRoot'):
                 continue
-            h = hash(
-                tuple(
-                    [
-                        a.wrappedValue if isinstance(a, ifcopenshell.entity_instance) and not a.id() else a
-                        for a in element
-                    ]
-                )
-            )
+            h = hash(tuple(element))
             if h in hashes:
                 for inverse in self.file.get_inverse(element):
                     ifcopenshell.util.element.replace_attribute(inverse, element, hashes[h])
@@ -49,13 +42,13 @@ class Patcher:
                 hashes[h] = element
         deleted.sort()
         deleted_q = deque(deleted)
-        new = ""
-        for line in self.file.wrapped_data.to_string().split("\n"):
+        new = ''
+        for line in self.file.wrapped_data.to_string().split('\n'):
             try:
-                if int(line.split("=")[0][1:]) != deleted_q[0]:
-                    new += line + "\n"
+                if int(line.split('=')[0][1:]) != deleted_q[0]:
+                    new += (line + '\n')
                 else:
                     deleted_q.popleft()
             except:
-                new += line + "\n"
+                new += (line + '\n')
         self.file = new