diff --git a/setup-scripts/blocklist-airtable.py b/setup-scripts/blocklist-airtable.py
index 379841eb..18191969 100755
--- a/setup-scripts/blocklist-airtable.py
+++ b/setup-scripts/blocklist-airtable.py
@@ -100,7 +100,7 @@ async def block_skylinks_from_airtable():
     batch_size = 500
     for i in range(0, len(skylinks), batch_size):
         cached_files_command = (
-            "find /data/nginx/cache/ -type f | xargs --no-run-if-empty -n" + batch_size + " grep -Els '^Skynet-Skylink: ("
+            "find /data/nginx/cache/ -type f | xargs --no-run-if-empty -n" + str(batch_size) + " grep -Els '^Skynet-Skylink: ("
             + "|".join(skylinks[i:i+batch_size])
             + ")'"
         )