diff --git a/src/pyodide/demo-app/context.py b/src/pyodide/demo-app/context.py
index 3ad8b45464..ede71bac7f 100644
--- a/src/pyodide/demo-app/context.py
+++ b/src/pyodide/demo-app/context.py
@@ -268,7 +268,7 @@ class Context:
 
         opening.Representation = self.model.createIfcProductDefinitionShape(
             Representations=[
-                self.model.createIfcRepresentation(
+                self.model.createIfcShapeRepresentation(
                     body,
                     "Body",
                     "SweptSolid",