From 61c4797b8fd2617ac2de411db811dbb556508b20 Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Fri, 28 Mar 2025 12:08:10 +0100
Subject: [PATCH] Fix issue in CurveSegment

---
 src/ifcgeom/mapping/IfcCurveSegment.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ifcgeom/mapping/IfcCurveSegment.cpp b/src/ifcgeom/mapping/IfcCurveSegment.cpp
index bfe8a191ca..241c3eb106 100644
--- a/src/ifcgeom/mapping/IfcCurveSegment.cpp
+++ b/src/ifcgeom/mapping/IfcCurveSegment.cpp
@@ -67,7 +67,7 @@ double translate_if_param_value(const IfcSchema::IfcCurve* crv, IfcSchema::IfcCu
         // We don't care whether length- or positive length measure.
         return translate_to_length_measure(crv, *param);
     } else {
-        return val->data().get_attribute_value(0);
+        return val->as<IfcUtil::IfcBaseClass>()->get_attribute_value(0);
     }
 }