diff --git a/src/app.py b/src/app.py
index 460ea00..a5f4844 100644
--- a/src/app.py
+++ b/src/app.py
@@ -10,7 +10,7 @@ import os
 from pathlib import Path
 
 
-fitbit_data = FitBit(Path(os.getcwd() + 'fitbit_data'))
+fitbit_data = FitBit(Path(os.getcwd(), 'fitbit_data'))
 
 st.set_page_config(
     layout='wide'