diff --git a/mdevaluate/autosave.py b/mdevaluate/autosave.py
index aa57255..6bb0ccc 100644
--- a/mdevaluate/autosave.py
+++ b/mdevaluate/autosave.py
@@ -104,7 +104,7 @@ def verify_file(filename, checksum):
     """Verify if the file matches the function call."""
     file_checksum = 0
     if os.path.exists(filename):
-        data = np.load(filename)
+        data = np.load(filename, allow_pickle=True)
         if 'checksum' in data:
             file_checksum = data['checksum']
     return file_checksum == checksum