diff --git a/subathon/subathon.py b/subathon/subathon.py
index b412e9c..fc30c43 100644
--- a/subathon/subathon.py
+++ b/subathon/subathon.py
@@ -32,7 +32,7 @@ class ActiveSubathon:
         """
         Return True if the subathon duration has exceeded its earned time.
         """
-        return (await self.get_duration() <= 0)
+        return (await self.get_remaining() <= 0)
 
     async def pause(self):
         """