diff --git a/gestioncof/autocomplete.py b/gestioncof/autocomplete.py
index 65f62fab..7caea48b 100644
--- a/gestioncof/autocomplete.py
+++ b/gestioncof/autocomplete.py
@@ -56,10 +56,10 @@ def autocomplete(request):
     # Fetching data from the SPI
     if hasattr(settings, 'LDAP_SERVER_URL'):
         # Fetching
-        ldap_query = '(|{:s})'.format(''.join([
+        ldap_query = '(|{:s})'.format(''.join(
             '(cn=*{bit:s}*)(uid=*{bit:s}*)'.format(bit=bit)
             for bit in bits if bit.isalnum()
-        ]))
+        ))
         if ldap_query != "(|)":
             # If none of the bits were legal, we do not perform the query
             with Connection(settings.LDAP_SERVER_URL) as conn:
diff --git a/kfet/autocomplete.py b/kfet/autocomplete.py
index 3b5e0ab5..d8582ccb 100644
--- a/kfet/autocomplete.py
+++ b/kfet/autocomplete.py
@@ -75,10 +75,10 @@ def account_create(request):
     # Fetching data from the SPI
     if hasattr(settings, 'LDAP_SERVER_URL'):
         # Fetching
-        ldap_query = '(|{:s})'.format(''.join([
+        ldap_query = '(|{:s})'.format(''.join(
             '(cn=*{bit:s}*)(uid=*{bit:s}*)'.format(bit=word)
             for word in search_words if word.isalnum()
-        ]))
+        ))
         if ldap_query != "(|)":
             # If none of the bits were legal, we do not perform the query
             with Connection(settings.LDAP_SERVER_URL) as conn: