diff --git a/engine_test.py b/engine_test.py
index 8441ef9..70a7b38 100755
--- a/engine_test.py
+++ b/engine_test.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-from engine import encode_greggs, decode_greggs, encode, decode, format_location, parse_location, spherical_dist, fetch_data
+from engine import encode_greggs, decode_greggs, encode, decode, format_location, parse_location, spherical_dist, fetch_data, format_dist, parse_dist
 from tqdm import tqdm
 import numpy as np
 import time
@@ -62,8 +62,11 @@ def test_encode_decode_greggs():
         encoded = encode_greggs(i)
         # tqdm.write(f"Encoding took {time.monotonic() - t:.3f}s")
 
+        stringified = ",".join(map(format_dist, encoded))
+        parsed = [parse_dist(s.strip()) for s in stringified.split(",")]
+
         # t = time.monotonic()
-        decoded = decode_greggs(encoded)
+        decoded = decode_greggs(parsed)
         # tqdm.write(f"Decoding took {time.monotonic() - t:.3f}s")
 
         if i != decoded: