From 44ef40933574a5753890602d822586137f0bdac9 Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Fri, 31 Oct 2025 09:56:54 +0100
Subject: [PATCH] Don't check for drawing semantics on qto or predefpset #7304

---
 src/serializers/SvgSerializer.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/serializers/SvgSerializer.cpp b/src/serializers/SvgSerializer.cpp
index 463c240e0f..d5c65b1d12 100644
--- a/src/serializers/SvgSerializer.cpp
+++ b/src/serializers/SvgSerializer.cpp
@@ -496,6 +496,9 @@ namespace {
 		for (auto& rel : *rels) {
 			if (rel->declaration().is("IfcRelDefinesByProperties")) {
 				auto pset = ((IfcUtil::IfcBaseClass*) ((IfcUtil::IfcBaseEntity*) rel)->get("RelatingPropertyDefinition"))->as<IfcUtil::IfcBaseEntity>();
+				if (!pset->declaration().is("IfcPropertySet")) {
+					continue;
+                }
 				std::string pset_name;
 				if (!pset->get("Name").isNull()) {
 					pset_name = (std::string) pset->get("Name");