diff --git a/xwords4/relay/xwrelay.sh b/xwords4/relay/xwrelay.sh
index 0b80a4a35..48644b47c 100755
--- a/xwords4/relay/xwrelay.sh
+++ b/xwords4/relay/xwrelay.sh
@@ -43,7 +43,7 @@ cid integer
 ,seeds INTEGER[]
 ,nSent INTEGER DEFAULT 0
 ,ctime TIMESTAMP (0) DEFAULT CURRENT_TIMESTAMP
-,mtime TIMESTAMP (0)
+,mtimes TIMESTAMP(0)[]
 );
 EOF