diff --git a/phone/main.py b/phone/main.py
index 8d15408..d5a402f 100644
--- a/phone/main.py
+++ b/phone/main.py
@@ -29,7 +29,7 @@ def answercall():
     else:
         notice("No call to answer.", title="TiLDA Phone")
 
-def handupcall():
+def hangupcall():
     sim800.hangup()
 
 def playdtmf():