diff --git a/sql/v01/01.create.sql b/sql/v01/01.create.sql
index 3f09a02..d5f3f94 100644
--- a/sql/v01/01.create.sql
+++ b/sql/v01/01.create.sql
@@ -285,7 +285,8 @@ CREATE TABLE member (
     phone_mobile_1   TEXT CHECK (phone_mobile_1 REGEXP '^\+[0-9]+$')                        DEFAULT NULL,
     phone_mobile_2   TEXT CHECK (phone_mobile_2 REGEXP '^\+[0-9]+$')                        DEFAULT NULL,
 
-    default_kgnr     INTEGER CHECK (NOT active OR default_kgnr IS NOT NULL),
+    default_kgnr     INTEGER       CHECK (NOT active OR default_kgnr IS NOT NULL),
+    default_contact  TEXT NOT NULL CHECK (default_contact IN ('email', 'post'))             DEFAULT 'post',
     comment          TEXT DEFAULT NULL,
 
     CONSTRAINT pk_member PRIMARY KEY (mgnr),