diff --git a/OscMacroDefinitions.py b/OscMacroDefinitions.py
index c3e24e9..3c3ebe1 100644
--- a/OscMacroDefinitions.py
+++ b/OscMacroDefinitions.py
@@ -22,15 +22,19 @@ from time import sleep
 
 logger = logging.getLogger("CommentMacro")
 
+# button state constants
+buttonDOWN = 1
+buttonUP = 0
+
 
 class HogDevice():
     def __init__(self, servers):
         self.servers = servers
 
     def button_press(self, device, path, delay=0.05):
-        self.send_message(device, path, 1)    # button down
+        self.send_message(device, path, buttonDOWN)    # button down
         sleep(delay)
-        self.send_message(device, path, 0)    # button up
+        self.send_message(device, path, buttonUP)    # button up
 
     # utility function to send simple messages with one argument
     def send_message(self, device, path, arg):