diff --git a/core/views/uploads.py b/core/views/uploads.py
index 6a45e08..9678c5c 100644
--- a/core/views/uploads.py
+++ b/core/views/uploads.py
@@ -340,7 +340,7 @@ def logbookedit(request, year=None, slug=None):
             # This is a hack, why can we not reproduce this bug on the dev system?
             if len(slug) < 7:
                 slug = ""
-            if prev_slug < 7:
+            if len(prev_slug) < 7:
                 prev_slug = ""
             
             if not prev_slug and not slug: