diff --git a/dba/caldav_functions.sql b/dba/caldav_functions.sql
index 21ebda67..ced9269f 100644
--- a/dba/caldav_functions.sql
+++ b/dba/caldav_functions.sql
@@ -799,7 +799,7 @@ DECLARE
   in_bits ALIAS FOR $1;
   out_priv TEXT[];
 BEGIN
-  out_priv := ARRAY[]::text[];
+  out_priv := ARRAY[];
   IF in_bits = (~ 0::BIT(24)) THEN
     out_priv := out_priv || ARRAY['DAV:all'];
   END IF;