diff --git a/period/cycles.py b/period/cycles.py
index ec4be5e..596ce39 100644
--- a/period/cycles.py
+++ b/period/cycles.py
@@ -17,7 +17,7 @@ def index():
     db = get_db()
     current_cycle = db.execute('SELECT * from cycle ORDER BY id DESC LIMIT 1').fetchone()
     start_time = pendulum.parse(current_cycle['start_time'])
-    cycle_length = (pendulum.now() - start_time ).days
+    cycle_length = ((pendulum.now() - start_time ).days)+1
 
     db.execute(
         'UPDATE cycle SET cycle_length = ?'