diff --git a/integrationtests/test_issues.py b/integrationtests/test_issues.py
index 8357388df3af229e58fac8306c661766ce22eb10..0506fa4db03e9b3638051e6ec4fa132bd348a988 100644
--- a/integrationtests/test_issues.py
+++ b/integrationtests/test_issues.py
@@ -383,6 +383,14 @@ Block:
     crawler = Crawler(identifiableAdapter=ident)
     crawler.synchronize(crawled_data=records)
 
+    exp_res = db.execute_query("FIND Experiment")
+    assert len(exp_res) == 1
+    exp_block = db.execute_query("FIND Block")
+    assert len(exp_block) == 1
+
+    assert exp_res[0].get_property("Block").value == exp_block[0].id
+    assert exp_block[0].get_property("Experiment").value == exp_res[0].id
+
 
 def test_issue_14(clear_database):
     """