diff --git a/bus_env/bus_agent/bus_ahb_monitor.py b/bus_env/bus_agent/bus_ahb_monitor.py
index 6d7cea1..99fd4bd 100644
--- a/bus_env/bus_agent/bus_ahb_monitor.py
+++ b/bus_env/bus_agent/bus_ahb_monitor.py
@@ -69,7 +69,7 @@ async def address_phase(self, tr):
         try:
             tr.size = self.vif.HSIZE.value
         except AttributeError:
-            tr.size = 2
+            tr.size = bus_item.WORD_ACCESS
         tr = self.monitor_optional_signals_address(tr)
         return tr
 
diff --git a/bus_env/bus_item.py b/bus_env/bus_item.py
index 12215d7..976e8bb 100644
--- a/bus_env/bus_item.py
+++ b/bus_env/bus_item.py
@@ -19,6 +19,9 @@ class bus_item(UVMSequenceItem):
     NOPE = 3  # Insert a no-op in the sequence
     counter = 0
 
+    WORD_ACCESS = 2
+    HALF_WORD_ACCESS = 1
+    BYTE_ACCESS = 0
     def __init__(self, name="bus_item"):
         super().__init__(name)
         self.tag = name
@@ -30,7 +33,7 @@ def __init__(self, name="bus_item"):
         self.rand("kind", [bus_item.READ, bus_item.WRITE])
         self.id = bus_item.counter
         bus_item.counter += 1
-        self.size = 2  # 2 for word, 1 for half word, 0 for byte
+        self.size = bus_item.WORD_ACCESS  # 2 for word, 1 for half word, 0 for byte
 
     def convert2string(self):
         if self.kind == bus_item.RESET:
diff --git a/bus_env/bus_logger/bus_logger.py b/bus_env/bus_logger/bus_logger.py
index 1b943f1..0f4bdb6 100644
--- a/bus_env/bus_logger/bus_logger.py
+++ b/bus_env/bus_logger/bus_logger.py
@@ -77,7 +77,7 @@ def bus_log(self, transaction, header_logged=False):
                     if type(transaction.data) is not int
                     else f"{hex(transaction.data)}"
                 )
-                size = f"{'word' if transaction.size == 2 else 'half word' if transaction.size == 1 else 'byte'}"
+                size = f"{'word' if transaction.size == bus_item.WORD_ACCESS else 'half word' if transaction.size == bus_item.HALF_WORD_ACCESS else 'byte'}"
                 # Now, assemble your table_data with the pre-formatted fields
                 table_data = [f"{sim_time}", f"{operation}", f"{address}", f"{data}", f"{size}"]
             table = self.format_row(table_data)