diff --git a/app/scodoc/sco_tag_module.py b/app/scodoc/sco_tag_module.py
index 05103761..7ab9d04a 100644
--- a/app/scodoc/sco_tag_module.py
+++ b/app/scodoc/sco_tag_module.py
@@ -212,8 +212,10 @@ class ModuleTag(ScoTag):
 # API
 
 
-def module_tag_search(term):
+# TODO placer dans la vraie API et ne plus utiliser sco_publish
+def module_tag_search(term: str | int):
     """List all used tag names (for auto-completion)"""
+    term = "" if term is None else str(term)
     # restrict charset to avoid injections
     if not scu.ALPHANUM_EXP.match(term):
         data = []