diff --git a/aux/broctl b/aux/broctl
index c39622855e..ad8dfaba0c 160000
--- a/aux/broctl
+++ b/aux/broctl
@@ -1 +1 @@
-Subproject commit c39622855e3c3a5cc94c7376f86184ed1db1939a
+Subproject commit ad8dfaba0c0c784060aa6f0c5e1fcf62244b1a51
diff --git a/src/Expr.cc b/src/Expr.cc
index c4fbe5930a..2e07c41d28 100644
--- a/src/Expr.cc
+++ b/src/Expr.cc
@@ -5022,13 +5022,11 @@ Val* ListExpr::InitVal(const BroType* t, Val* aggr) const
 			Expr* e = exprs[i];
 			check_and_promote_expr(e, vec->Type()->AsVectorType()->YieldType());
 			Val* v = e->Eval(0);
-			if ( ! vec->Assign(i, v->RefCnt() == 1 ? v->Ref() : v, e) )
+			if ( ! vec->Assign(i, v, e) )
 				{
 				e->Error(fmt("type mismatch at index %d", i));
 				return 0;
 				}
-
-			Unref(v);
 			}
 
 		return aggr;