diff --git a/tgt-vvp/stmt_assign.c b/tgt-vvp/stmt_assign.c
index 551a3f4d7..0e3657c83 100644
--- a/tgt-vvp/stmt_assign.c
+++ b/tgt-vvp/stmt_assign.c
@@ -446,7 +446,7 @@ static int show_stmt_assign_vector(ivl_statement_t net)
       } else if (ivl_expr_value(rval) == IVL_VT_STRING) {
 	    /* Special case: vector to string casting */
 	    ivl_lval_t lval = ivl_stmt_lval(net, 0);
-	    fprintf(vvp_out, "    %%vpi_call %u %u \"$ivl_string_method$to_vec\", v%p_0, v%p_0 {0 0};\n",
+	    fprintf(vvp_out, "    %%vpi_call %u %u \"$ivl_string_method$to_vec\", v%p_0, v%p_0 {0 0 0};\n",
 		ivl_file_table_index(ivl_stmt_file(net)), ivl_stmt_lineno(net),
 		ivl_expr_signal(rval), ivl_lval_sig(lval));
             return 0;