diff --git a/ivl.def b/ivl.def
index dc023a174..de13242f4 100644
--- a/ivl.def
+++ b/ivl.def
@@ -63,6 +63,7 @@ ivl_expr_file
 ivl_expr_lineno
 ivl_expr_name
 ivl_expr_nature
+ivl_expr_net_type
 ivl_expr_opcode
 ivl_expr_oper1
 ivl_expr_oper2
@@ -176,6 +177,15 @@ ivl_path_source
 ivl_path_source_negedge
 ivl_path_source_posedge
 
+ivl_process_analog
+ivl_process_attr_cnt
+ivl_process_attr_val
+ivl_process_file
+ivl_process_lineno
+ivl_process_scope
+ivl_process_stmt
+ivl_process_type
+
 ivl_scope_attr_cnt
 ivl_scope_attr_val
 ivl_scope_basename
@@ -233,6 +243,7 @@ ivl_signal_local
 ivl_signal_lsb
 ivl_signal_msb
 ivl_signal_name
+ivl_signal_net_type
 ivl_signal_nex
 ivl_signal_npath
 ivl_signal_packed_dimensions
@@ -245,18 +256,6 @@ ivl_signal_signed
 ivl_signal_type
 ivl_signal_width
 
-ivl_path_delay
-ivl_path_source
-
-ivl_process_analog
-ivl_process_attr_cnt
-ivl_process_attr_val
-ivl_process_file
-ivl_process_lineno
-ivl_process_scope
-ivl_process_stmt
-ivl_process_type
-
 ivl_statement_type
 
 ivl_stmt_block_count
@@ -301,6 +300,12 @@ ivl_switch_scope
 ivl_switch_type
 ivl_switch_width
 
+ivl_type_base
+ivl_type_element
+ivl_type_packed_dimensions
+ivl_type_packed_lsb
+ivl_type_packed_msb
+
 ivl_udp_init
 ivl_udp_file
 ivl_udp_lineno
diff --git a/vvp/examples/hello.vvp b/vvp/examples/hello.vvp
index 1b267aa89..78cf1e5d4 100644
--- a/vvp/examples/hello.vvp
+++ b/vvp/examples/hello.vvp
@@ -31,7 +31,7 @@
 main	.scope module, "main";
 
 code
-	%vpi_call 0 0 "$display", "Hello, World.";
+	%vpi_call 0 0 "$display", "Hello, World." {0 0};
 	%end;
 	.thread	code;
 :file_names 2;