diff --git a/src/bonsai/bonsai/bim/ui.py b/src/bonsai/bonsai/bim/ui.py
index e9ab0b446c..82d387e53d 100644
--- a/src/bonsai/bonsai/bim/ui.py
+++ b/src/bonsai/bonsai/bim/ui.py
@@ -837,7 +837,11 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
         gizmo_prop_names = {p.attr_name for p in GizmoDoorEdition.dimension_gizmo_props}
         # Add special gizmos not in dimension_gizmo_props
         gizmo_prop_names.update(("swing_arc", "flip_arc"))
-        for prop in door_gizmos.__annotations__:
+        try:
+            annotations = door_gizmos.__annotations__
+        except AttributeError:
+            annotations = type(door_gizmos).__annotations__
+        for prop in annotations:
             if prop in gizmo_prop_names:
                 layout.prop(door_gizmos, prop)
 
@@ -846,7 +850,11 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
 
         window_gizmos = self.gizmos.window
         gizmo_prop_names = {p.attr_name for p in GizmoWindowEdition.dimension_gizmo_props}
-        for prop in window_gizmos.__annotations__:
+        try:
+            annotations = window_gizmos.__annotations__
+        except AttributeError:
+            annotations = type(window_gizmos).__annotations__
+        for prop in annotations:
             if prop in gizmo_prop_names:
                 layout.prop(window_gizmos, prop)
 
@@ -857,7 +865,11 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
         gizmo_prop_names = {p.attr_name for p in GizmoStairEdition.dimension_gizmo_props}
         # Add special gizmos not in dimension_gizmo_props
         special_gizmo_names = {"lock", "plus", "minus", "cycle"}
-        for prop in stair_gizmos.__annotations__:
+        try:
+            annotations = stair_gizmos.__annotations__
+        except AttributeError:
+            annotations = type(stair_gizmos).__annotations__
+        for prop in annotations:
             if prop in gizmo_prop_names or prop in special_gizmo_names:
                 layout.prop(stair_gizmos, prop)
 
diff --git a/src/bonsai/bonsai/tool/snap.py b/src/bonsai/bonsai/tool/snap.py
index 04ec6c538d..0e6fe06f9e 100644
--- a/src/bonsai/bonsai/tool/snap.py
+++ b/src/bonsai/bonsai/tool/snap.py
@@ -553,7 +553,11 @@ class Snap(bonsai.core.tool.Snap):
         def filter_snapping_points_by_type(snapping_points):
             options = ["Plane", "Axis"]
             props = tool.Snap.get_snap_props()
-            for prop in props.__annotations__.keys():
+            try:
+                annotations = props.__annotations__
+            except AttributeError:
+                annotations = type(props).__annotations__
+            for prop in annotations.keys():
                 if getattr(props, prop):
                     options.append(props.rna_type.properties[prop].name)
 
@@ -563,7 +567,11 @@ class Snap(bonsai.core.tool.Snap):
         def filter_snapping_points_by_group(detected_snaps):
             options = ["Wireframe", "Axis", "Plane"]
             props = tool.Snap.get_snap_groups()
-            for prop in props.__annotations__.keys():
+            try:
+                annotations = props.__annotations__
+            except AttributeError:
+                annotations = type(props).__annotations__
+            for prop in annotations.keys():
                 if getattr(props, prop):
                     options.append(props.rna_type.properties[prop].name)
             filtered_groups = [group for group in detected_snaps if group["group"] in options]
diff --git a/src/bonsai/test/bim/test_feature.py b/src/bonsai/test/bim/test_feature.py
index fa5ccb36d0..64d7e7cb27 100644
--- a/src/bonsai/test/bim/test_feature.py
+++ b/src/bonsai/test/bim/test_feature.py
@@ -96,7 +96,11 @@ class PanelSpy:
 
     def __getattr__(self, attr: str) -> PanelSpy | Any:
         self.spied_attr = attr
-        if annotation := self.blender_panel.__annotations__.get(attr, None):
+        try:
+            annotations = self.blender_panel.__annotations__
+        except AttributeError:
+            annotations = type(self.blender_panel).__annotations__
+        if annotation := annotations.get(attr, None):
             return annotation.keywords.get("default", None)  # An operator property
         if attr == "layout":
             return self
@@ -136,7 +140,11 @@ class PanelSpy:
             prop_type = props.bl_rna.properties[name].type
             enum_items = []
             if prop_type == "ENUM":
-                prop_keywords = props.__annotations__[name].keywords
+                try:
+                    annotations = props.__annotations__
+                except AttributeError:
+                    annotations = type(props).__annotations__
+                prop_keywords = annotations[name].keywords
                 items = prop_keywords.get("items")
                 if items is not None:
                     if isinstance(items, (list, tuple)):