diff --git a/src/main/java/de/uni_stuttgart/vis/vowl/owl2vowl/export/JsonGeneratorVisitorImpl.java b/src/main/java/de/uni_stuttgart/vis/vowl/owl2vowl/export/JsonGeneratorVisitorImpl.java
index d3719a5..c013f89 100644
--- a/src/main/java/de/uni_stuttgart/vis/vowl/owl2vowl/export/JsonGeneratorVisitorImpl.java
+++ b/src/main/java/de/uni_stuttgart/vis/vowl/owl2vowl/export/JsonGeneratorVisitorImpl.java
@@ -258,8 +258,8 @@ public class JsonGeneratorVisitorImpl implements JsonGeneratorVisitor {
attributes.put("minCardinality", getCardinality(property.getMinCardinality()));
attributes.put("maxCardinality", getCardinality(property.getMaxCardinality()));
attributes.put("cardinality", getCardinality(property.getExactCardinality()));
- attributes.put("instances", property.getIndividualAssertions().size());
- attributes.put("individuals", createPropertyIndividualsJson(property.getIndividualAssertions()));
+ attributes.put("instances", reference.getIndividualAssertions().size());
+ attributes.put("individuals", createPropertyIndividualsJson(reference.getIndividualAssertions()));
propertyList.add(object);
propertyAttributeList.add(attributes);