diff --git a/src/bonsai/bonsai/bim/module/model/data.py b/src/bonsai/bonsai/bim/module/model/data.py
index 66fc0113ce..63f548d02f 100644
--- a/src/bonsai/bonsai/bim/module/model/data.py
+++ b/src/bonsai/bonsai/bim/module/model/data.py
@@ -172,6 +172,8 @@ class AuthoringData:
             templates.append(("WINDOW", "Window", "Parametric window"))
         elif type_class == "IfcDoorType":
             templates.append(("DOOR", "Door", "Parametric door"))
+        elif type_class in ("IfcStairType", "IfcStairFlightType"):
+            templates.append(("STAIR", "Stair", "Parametric stair"))
         elif type_class == "IfcRailingType":
             templates.append(("RAILING", "Railing", "Parametric railing"))
         elif type_class == "IfcRoofType":