Index: openacs-4/packages/calendar/sql/postgresql/calendar-create.sql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/calendar/sql/postgresql/calendar-create.sql,v
diff -u -N -r1.19 -r1.20
--- openacs-4/packages/calendar/sql/postgresql/calendar-create.sql	22 Apr 2018 18:05:23 -0000	1.19
+++ openacs-4/packages/calendar/sql/postgresql/calendar-create.sql	4 Jul 2018 17:31:27 -0000	1.20
@@ -103,7 +103,7 @@
 	    attr_id := acs_attribute__create_attribute (
 		'calendar',          -- object_type
 		'private_p',         -- attribute_name
-		'string',            -- datatype
+		'boolean',           -- datatype
 		'Private Calendar',  -- pretty_name
 		'Private Calendars', -- pretty_plural
 		null,                -- table_name (default)
