diff --git a/network/src/types/modbus.rs b/network/src/types/modbus.rs
index 33f9c8b..63f850c 100644
--- a/network/src/types/modbus.rs
+++ b/network/src/types/modbus.rs
@@ -58,7 +58,7 @@ pub enum FieldType {
 }
 
 // Build lookup map
-type FuncMap = HashMap<u8, FunctionDescriptor>;
+pub type FuncMap = HashMap<u8, FunctionDescriptor>;
 
 fn parse_bytes_zero_copy(mut buf: BytesMut) -> Result<BytesMut> {
     let modbus = Modbus::default();