diff --git a/infrastructure/epc_client/tests/test_mapper_corpus.py b/infrastructure/epc_client/tests/test_mapper_corpus.py
index 6aaeb8de..dbe5b42b 100644
--- a/infrastructure/epc_client/tests/test_mapper_corpus.py
+++ b/infrastructure/epc_client/tests/test_mapper_corpus.py
@@ -25,7 +25,7 @@ from datatypes.epc.domain.epc_property_data import EpcPropertyData
 from datatypes.epc.domain.mapper import EpcPropertyDataMapper
 
 SAMPLES = Path("backend/epc_api/json_samples")
-SUPPORTED = {"RdSAP-Schema-21.0.1", "RdSAP-Schema-20.0.0"}
+SUPPORTED = {"RdSAP-Schema-21.0.1", "RdSAP-Schema-20.0.0", "RdSAP-Schema-18.0"}
 
 
 def _load(schema: str) -> list[dict[str, Any]]: