diff --git a/core/views/uploads.py b/core/views/uploads.py
index 86b5f6c..6a45e08 100644
--- a/core/views/uploads.py
+++ b/core/views/uploads.py
@@ -335,6 +335,13 @@ def logbookedit(request, year=None, slug=None):
             else:
                 authorflag = True
                 print(f"! Unrecognised author: {author}")
+                
+            # if somehow we get a slug set to just '2024', not eg '2020-08-10b'
+            # This is a hack, why can we not reproduce this bug on the dev system?
+            if len(slug) < 7:
+                slug = ""
+            if prev_slug < 7:
+                prev_slug = ""
             
             if not prev_slug and not slug:
                 # Creating a new logbook entry with all the gubbins