diff --git a/src/migrations/0021_migrate_to_bullseye.py b/src/migrations/0021_migrate_to_bullseye.py
index eb5031823..0fbf5a5ea 100644
--- a/src/migrations/0021_migrate_to_bullseye.py
+++ b/src/migrations/0021_migrate_to_bullseye.py
@@ -389,7 +389,7 @@ class MyMigration(Migration):
         ):
             try:
                 # Here we try to find the previous migration log, which should be somewhat recent and be at least 10k (we keep the biggest one)
-                maybe_previous_migration_log_id = check_output("cd /var/log/yunohost/categories/operation && find -name '*migrate*.log -size +10k -mtime -100 -exec ls -s {} \\; | sort -n | tr './' ' ' | awk '{print $2}' | tail -n 1")
+                maybe_previous_migration_log_id = check_output("cd /var/log/yunohost/categories/operation && find -name '*migrate*.log' -size +10k -mtime -100 -exec ls -s {} \\; | sort -n | tr './' ' ' | awk '{print $2}' | tail -n 1")
                 if maybe_previous_migration_log_id:
                     logger.info(f"NB: the previous migration log id seems to be {maybe_previous_migration_log_id}. You can share it with the support team with : sudo yunohost log share {maybe_previous_migration_log_id}")
             except Exception: