diff --git a/post_process/animate/__main__.py b/post_process/animate/__main__.py
index 37e5726..d9cf2de 100644
--- a/post_process/animate/__main__.py
+++ b/post_process/animate/__main__.py
@@ -1,4 +1,5 @@
 import argparse
+from pathlib import Path
 
 parser = argparse.ArgumentParser(
     description='Animate the results from OpenFoam'