diff --git a/scripts/network.gd b/scripts/network.gd
index 2a7d4c6b..b060e89c 100644
--- a/scripts/network.gd
+++ b/scripts/network.gd
@@ -303,7 +303,7 @@ func get_tcp_data(sock: SocketTCP, peer, len_rx):
 func _process(_delta: float) -> void:
     tick = Time.get_ticks_msec()
     RenderingServer.global_shader_parameter_set('tick_curent', tick)
-    for key in units_udp:
+    for key: StringName in units_udp:
         var unit_udp = units_udp[key]
         if Error.OK == unit_udp.process(tick):
             var sock = send_sockets[unit_udp.name]
@@ -311,18 +311,18 @@ func _process(_delta: float) -> void:
             var dst_port = dst_ports[key]
             var dst_addr = dst_addrs[key]
             sock.send_to([dst_addr, dst_port], tx_data)
-    for key in units_udprx:
+    for key: StringName in units_udprx:
         var unit_udprx = units_udprx[key]
         unit_udprx.process(tick)
-    for key in units_serial:
+    for key: StringName in units_serial:
         var unit_serial = units_serial[key]
         var serial = serials[key]
         if Error.OK == unit_serial.process(tick):
             serial.send_to(unit_serial.tx_data)
-    for key in units_modbus:
+    for key: StringName in units_modbus:
         var unit_modbus = units_modbus[key]
         unit_modbus.process(tick)
-    for sock_unit in tcp_sockets:
+    for sock_unit: Array in tcp_sockets:
         var sock = sock_unit[0]
         var unit_tcp = sock_unit[1]
         if Error.OK == unit_tcp.process(tick):