diff --git a/capellambse/model/crosslayer/fa.py b/capellambse/model/crosslayer/fa.py
index 9bbf07c4..50b5a5a7 100644
--- a/capellambse/model/crosslayer/fa.py
+++ b/capellambse/model/crosslayer/fa.py
@@ -380,7 +380,9 @@ def __dir__(self) -> list[str]:
 c.set_accessor(
     FunctionalExchange,
     "involving_functional_chains",
-    c.ReferenceSearchingAccessor(FunctionalChain, "involved_links"),
+    c.ReferenceSearchingAccessor(
+        FunctionalChain, "involved_links", aslist=c.ElementList
+    ),
 )
 
 c.set_accessor(