diff --git a/src/V3LinkDot.cpp b/src/V3LinkDot.cpp
index 2ace174b6..7cad4debb 100644
--- a/src/V3LinkDot.cpp
+++ b/src/V3LinkDot.cpp
@@ -3764,7 +3764,7 @@ class LinkDotResolveVisitor final : public VNVisitor {
             m_usedPins.clear();
             VL_RESTORER(m_pinSymp);
             m_pinSymp = m_statep->getNodeSym(ifacep);
-            iterate(nodep->paramsp());
+            iterateAndNextNull(nodep->paramsp());
         }
     }
 
diff --git a/test_regress/t/t_interface_virtual_param.v b/test_regress/t/t_interface_virtual_param.v
index a5682a463..6bfc6a1c5 100644
--- a/test_regress/t/t_interface_virtual_param.v
+++ b/test_regress/t/t_interface_virtual_param.v
@@ -1,142 +1,29 @@
-// DESCRIPTION: Verilator: Interface parameter getter
+// DESCRIPTION: Verilator: Verilog Test module
 //
-// A test of the import parameter used with modport
-//
-// This file ONLY is placed into the Public Domain, for any use,
-// without warranty, 2015 by Todd Strader
+// This file ONLY is placed under the Creative Commons Public Domain, for
+// any use, without warranty, 2023 by Antmicro Ltd.
 // SPDX-License-Identifier: CC0-1.0
 
-interface test_if #(parameter integer FOO = 1);
+interface Bus #(parameter int W = 1, X = 2);
+   logic [W-1:0] data;
+endinterface
 
-   // Interface variable
-   logic        data;
+module t;
+   Bus#(6, 3) intf1();
+   virtual Bus#(6, 3) vintf1 = intf1;
 
-   localparam integer BAR = FOO + 1;
-
-   // Modport
-   modport mp(
-              import  getFoo,
-              output  data
-              );
-
-   function integer getFoo ();
-      return FOO;
-   endfunction
-
-endinterface // test_if
-
-function integer identity (input integer x);
-   return x;
-endfunction
-
-
-module t (/*AUTOARG*/
-          // Inputs
-          clk
-          );
-   input clk;
-
-    virtual test_if#(.FOO(identity(5))) the_vif;
-
-    test_if #( .FOO (identity(5)) ) the_interface ();
-    test_if #( .FOO (identity(7)) ) array_interface [1:0] ();
-
-   testmod testmod_i (.clk (clk),
-                      .intf (the_interface),
-                      .intf_no_mp (the_interface),
-                      .intf_array (array_interface)
-                      );
-
-   localparam THE_TOP_FOO = the_interface.FOO;
-   localparam THE_TOP_FOO_BITS = $bits({the_interface.FOO, the_interface.FOO});
-   localparam THE_ARRAY_FOO = array_interface[0].FOO;
+   Bus intf2();
+   virtual Bus#(.W(1), .X(2)) vintf2 = intf2;
 
    initial begin
-      if (THE_TOP_FOO != 5) begin
-         $display("%%Error: THE_TOP_FOO = %0d", THE_TOP_FOO);
-         $stop;
-      end
-      if (THE_TOP_FOO_BITS != 64) begin
-         $display("%%Error: THE_TOP_FOO_BITS = %0d", THE_TOP_FOO_BITS);
-         $stop;
-      end
-      if (THE_ARRAY_FOO != 7) begin
-         $display("%%Error: THE_ARRAY_FOO = %0d", THE_ARRAY_FOO);
-         $stop;
-      end
-   end
+      intf1.data = '1;
+      if (vintf1.data != 6'b111111) $stop;
+      if (vintf1.X != 3) $stop;
 
-endmodule
+      intf2.data = '1;
+      if (vintf2.data != 1'b1) $stop;
+      if (vintf2.X != 2) $stop;
 
-
-module testmod
-  (
-   input clk,
-   test_if.mp intf,
-   test_if intf_no_mp,
-   test_if.mp intf_array [1:0]
-   );
-
-   localparam THE_FOO = intf.FOO;
-   localparam THE_OTHER_FOO = intf_no_mp.FOO;
-   localparam THE_ARRAY_FOO = intf_array[0].FOO;
-   localparam THE_BAR = intf.BAR;
-   localparam THE_OTHER_BAR = intf_no_mp.BAR;
-   localparam THE_ARRAY_BAR = intf_array[0].BAR;
-
-   always @(posedge clk) begin
-      if (THE_FOO != 5) begin
-         $display("%%Error: THE_FOO = %0d", THE_FOO);
-         $stop;
-      end
-      if (THE_OTHER_FOO != 5) begin
-         $display("%%Error: THE_OTHER_FOO = %0d", THE_OTHER_FOO);
-         $stop;
-      end
-      if (THE_ARRAY_FOO != 7) begin
-         $display("%%Error: THE_ARRAY_FOO = %0d", THE_ARRAY_FOO);
-         $stop;
-      end
-      if (intf.FOO != 5) begin
-         $display("%%Error: intf.FOO = %0d", intf.FOO);
-         $stop;
-      end
-      if (intf_no_mp.FOO != 5) begin
-         $display("%%Error: intf_no_mp.FOO = %0d", intf_no_mp.FOO);
-         $stop;
-      end
-      if (intf_array[0].FOO != 7) begin
-         $display("%%Error: intf_array[0].FOO = %0d", intf_array[0].FOO);
-         $stop;
-      end
-      //      if (i.getFoo() != 5) begin
-      //         $display("%%Error: i.getFoo() = %0d", i.getFoo());
-      //         $stop;
-      //      end
-      if (THE_BAR != 6) begin
-         $display("%%Error: THE_BAR = %0d", THE_BAR);
-         $stop;
-      end
-      if (THE_OTHER_BAR != 6) begin
-         $display("%%Error: THE_OTHER_BAR = %0d", THE_OTHER_BAR);
-         $stop;
-      end
-      if (THE_ARRAY_BAR != 8) begin
-         $display("%%Error: THE_ARRAY_BAR = %0d", THE_ARRAY_BAR);
-         $stop;
-      end
-      if (intf.BAR != 6) begin
-         $display("%%Error: intf.BAR = %0d", intf.BAR);
-         $stop;
-      end
-      if (intf_no_mp.BAR != 6) begin
-         $display("%%Error: intf_no_mp.BAR = %0d", intf_no_mp.BAR);
-         $stop;
-      end
-      if (intf_array[0].BAR != 8) begin
-         $display("%%Error: intf_array[0].BAR = %0d", intf_array[0].BAR);
-         $stop;
-      end
       $write("*-* All Finished *-*\n");
       $finish;
    end