diff --git a/src/ifcopenshell-python/ifcopenshell/api/sequence/remove_task.py b/src/ifcopenshell-python/ifcopenshell/api/sequence/remove_task.py
index edd271731d..6783b5ade5 100644
--- a/src/ifcopenshell-python/ifcopenshell/api/sequence/remove_task.py
+++ b/src/ifcopenshell-python/ifcopenshell/api/sequence/remove_task.py
@@ -44,5 +44,10 @@ class Usecase:
                 elif inverse.RelatedObjects == tuple(self.settings["task"]):
                     self.file.remove(inverse)
             elif inverse.is_a("IfcRelAssignsToControl"):
-                self.file.remove(inverse)
+                if len(inverse.RelatedObjects) == 1:
+                    self.file.remove(inverse)
+                else:
+                    related_objects = list(inverse.RelatedObjects)
+                    related_objects.remove(self.settings["task"])
+                    inverse.RelatedObjects = related_objects
         self.file.remove(self.settings["task"])