diff --git a/release/scripts/modules/bpy_types.py b/release/scripts/modules/bpy_types.py
index 85a532e9a27..55ba82c5817 100644
--- a/release/scripts/modules/bpy_types.py
+++ b/release/scripts/modules/bpy_types.py
@@ -555,21 +555,21 @@ class Operator(StructRNA, metaclass=OrderedMeta):
     def __getattribute__(self, attr):
         properties = StructRNA.path_resolve(self, "properties")
         bl_rna = getattr(properties, "bl_rna", None)
-        if bl_rna and attr in bl_rna.properties:
+        if (bl_rna is not None) and (attr in bl_rna.properties):
             return getattr(properties, attr)
         return super().__getattribute__(attr)
 
     def __setattr__(self, attr, value):
         properties = StructRNA.path_resolve(self, "properties")
         bl_rna = getattr(properties, "bl_rna", None)
-        if bl_rna and attr in bl_rna.properties:
+        if (bl_rna is not None) and (attr in bl_rna.properties):
             return setattr(properties, attr, value)
         return super().__setattr__(attr, value)
 
     def __delattr__(self, attr):
         properties = StructRNA.path_resolve(self, "properties")
         bl_rna = getattr(properties, "bl_rna", None)
-        if bl_rna and attr in bl_rna.properties:
+        if (bl_rna is not None) and (attr in bl_rna.properties):
             return delattr(properties, attr)
         return super().__delattr__(attr)