diff --git a/init/init.sql b/init/init.sql
index 16a2124..dcff89e 100644
--- a/init/init.sql
+++ b/init/init.sql
@@ -20,7 +20,7 @@ CREATE TABLE radacct (
     acctoutputoctets BIGINT,
     calledstationid VARCHAR(50) NOT NULL DEFAULT '',
     callingstationid VARCHAR(50) NOT NULL DEFAULT '',
-    acctterminatecause VARCHAR(32) NOT NULL DEFAULT '',
+    acctterminatecause VARCHAR(32),
     servicetype VARCHAR(32),
     framedprotocol VARCHAR(32),
     framedipaddress INET,