diff --git a/test_regress/t/t_mod_interface_array3.out b/test_regress/t/t_mod_interface_array3.out
index 2e9aaf9d7..a2b8ecba7 100644
--- a/test_regress/t/t_mod_interface_array3.out
+++ b/test_regress/t/t_mod_interface_array3.out
@@ -1,5 +1,5 @@
 %Error-UNSUPPORTED: t/t_mod_interface_array3.v:22:20: Unsupported: Multidimensional instances/interfaces.
-   22 |    a_if iface [2:0][1:0];
+   22 |    a_if iface [2:0][1:0] ();
       |                    ^
                     ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
 %Error-UNSUPPORTED: t/t_mod_interface_array3.v:24:18: Unsupported: Multidimensional instances/interfaces.
diff --git a/test_regress/t/t_mod_interface_array3.v b/test_regress/t/t_mod_interface_array3.v
index 7ea8a209e..3a83a9ce4 100644
--- a/test_regress/t/t_mod_interface_array3.v
+++ b/test_regress/t/t_mod_interface_array3.v
@@ -19,7 +19,7 @@ module t;
 
    string str [2:0][1:0];
 
-   a_if iface [2:0][1:0];
+   a_if iface [2:0][1:0] ();
 
    sub i_sub[2:0][1:0] (.s(str));