diff --git a/post_process/animate/alpha_water.py b/post_process/animate/alpha_water.py
index 8596180..85da6ee 100644
--- a/post_process/animate/alpha_water.py
+++ b/post_process/animate/alpha_water.py
@@ -31,7 +31,7 @@ def animate(config_path):
     logging.basicConfig(encoding='utf-8', level=config['main']['logging'])
     log.info('Starting')
     
-    root = Path(config['main']['root'])
+    root = Path(config['main']['root']).expanduser()
     
     t = []