diff --git a/ivtest/ivltests/sv_string_method_substr_too_few_arg_fail.v b/ivtest/ivltests/sv_string_method_substr_too_few_arg_fail.v
new file mode 100644
index 000000000..d0a45e78e
--- /dev/null
+++ b/ivtest/ivltests/sv_string_method_substr_too_few_arg_fail.v
@@ -0,0 +1,10 @@
+// Check that string substr() rejects too few arguments.
+
+module test;
+  string s;
+  string t;
+
+  initial begin
+    t = s.substr(0);
+  end
+endmodule
diff --git a/ivtest/regress-vvp.list b/ivtest/regress-vvp.list
index 9655c20df..8b9eacb56 100644
--- a/ivtest/regress-vvp.list
+++ b/ivtest/regress-vvp.list
@@ -374,6 +374,7 @@ sv_queue_method_push_back_too_few_arg_fail	vvp_tests/sv_queue_method_push_back_t
 sv_queue_method_push_back_too_many_arg_fail	vvp_tests/sv_queue_method_push_back_too_many_arg_fail.json
 sv_queue_method_push_front_too_few_arg_fail	vvp_tests/sv_queue_method_push_front_too_few_arg_fail.json
 sv_queue_method_push_front_too_many_arg_fail	vvp_tests/sv_queue_method_push_front_too_many_arg_fail.json
+sv_string_method_substr_too_few_arg_fail	vvp_tests/sv_string_method_substr_too_few_arg_fail.json
 sv_soft_packed_union		vvp_tests/sv_soft_packed_union.json
 sv_soft_packed_union_fail1	vvp_tests/sv_soft_packed_union_fail1.json
 sv_super_member_fail		vvp_tests/sv_super_member_fail.json
diff --git a/ivtest/vvp_tests/sv_string_method_substr_too_few_arg_fail.json b/ivtest/vvp_tests/sv_string_method_substr_too_few_arg_fail.json
new file mode 100644
index 000000000..20453dfe5
--- /dev/null
+++ b/ivtest/vvp_tests/sv_string_method_substr_too_few_arg_fail.json
@@ -0,0 +1,5 @@
+{
+    "type"          : "CE",
+    "source"        : "sv_string_method_substr_too_few_arg_fail.v",
+    "iverilog-args" : [ "-g2005-sv" ]
+}