diff --git a/test_regress/t/t_param_array2dim.py b/test_regress/t/t_param_array2dim.py
new file mode 100755
index 000000000..8a938befd
--- /dev/null
+++ b/test_regress/t/t_param_array2dim.py
@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+# DESCRIPTION: Verilator: Verilog Test driver/expect definition
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of either the GNU Lesser General Public License Version 3
+# or the Perl Artistic License Version 2.0.
+# SPDX-FileCopyrightText: 2026 Wilson Snyder
+# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
+
+import vltest_bootstrap
+
+test.scenarios('simulator')
+
+test.compile()
+
+test.execute()
+
+test.passes()
diff --git a/test_regress/t/t_param_array2dim.v b/test_regress/t/t_param_array2dim.v
new file mode 100644
index 000000000..00762ae62
--- /dev/null
+++ b/test_regress/t/t_param_array2dim.v
@@ -0,0 +1,43 @@
+// DESCRIPTION: Verilator: Verilog Test module
+//
+// This file ONLY is placed under the Creative Commons Public Domain.
+// SPDX-FileCopyrightText: 2020 Dustin Richmond
+// SPDX-License-Identifier: CC0-1.0
+
+// Test: 2D array parameter passed to sub-modules via generate loops
+
+module baz
+  #(
+    parameter integer type_p = '0
+    )
+   ();
+
+endmodule
+
+module t
+  #(
+    parameter integer n_x_p = 4
+    ,parameter integer n_y_p = 4
+    ,parameter integer twodim_p [0:n_y_p-1][0:n_x_p-1] = '{n_y_p{'{n_x_p{0}}}}
+    )
+   ();
+
+   genvar r, c;
+
+   for (r = 0; r < n_y_p; r = r+1)
+     begin: y
+        for (c = 0; c < n_x_p; c=c+1)
+          begin: x
+        baz
+            #(.type_p(twodim_p[r][c]))
+        baz_i
+            ();
+          end
+     end
+
+   initial begin
+      $write("*-* All Finished *-*\n");
+      $finish;
+   end
+
+endmodule