diff --git a/xwords4/relay/dbmgr.cpp b/xwords4/relay/dbmgr.cpp
index 66df622fc..96d497189 100644
--- a/xwords4/relay/dbmgr.cpp
+++ b/xwords4/relay/dbmgr.cpp
@@ -436,11 +436,10 @@ DBMgr::ReregisterDevice( DevIDRelay relayID, const DevID* host,
     StrWPF query;
     query.printf( "UPDATE " DEVICES_TABLE " SET "
                   "devTypes = array_prepend( %d, devTypes), "
-                  "devids = array_prepend('%s', devids), ", 
+                  "devids = array_prepend('%s', devids), ",
                   host->m_devIDType, host->m_devIDString.c_str() );
 
     formatUpdate( query, desc, clientVersion, model, osVers, relayID );
-    
     execSql( query );
 }
 
@@ -477,7 +476,8 @@ DBMgr::formatUpdate( StrWPF& query, const char* const desc, int clientVersion,
                      const char* const model, const char* const osVers, 
                      DevIDRelay relayID )
 {
-    query.printf( "mtime='now'" );
+    // query.printf( "mtimes=array_prepend('now', mtimes)" ); // FIXME: too many
+    query.printf( "mtimes[1]='now'" );
     if ( NULL != desc && '\0' != desc[0] ) {
         query.printf( ", clntVers=%d, versDesc='%s'", clientVersion, desc );
     }
diff --git a/xwords4/relay/scripts/showinplay.sh b/xwords4/relay/scripts/showinplay.sh
index 1ac19e90d..a41b02e58 100755
--- a/xwords4/relay/scripts/showinplay.sh
+++ b/xwords4/relay/scripts/showinplay.sh
@@ -37,6 +37,6 @@ echo "SELECT connname, hid, devid, count(*), sum(msglen) "\
      "GROUP BY connname, hid, devid ORDER BY connname LIMIT $LIMIT;" \
     | psql xwgames
 
-echo "SELECT id, model, osvers, mtime, array_length(devTypes, 1) as cnt, devTypes[1] as dTyp, devids[1] as devid FROM devices WHERE id IN (select UNNEST(devids) FROM games $QUERY) ORDER BY id LIMIT $LIMIT;" \
+echo "SELECT id, model, osvers, array_length(mtimes, 1) as mcnt, mtimes[1] as mtime, array_length(devTypes, 1) as dcnt, devTypes[1] as dTyp, devids[1] as devid FROM devices WHERE id IN (select UNNEST(devids) FROM games $QUERY) ORDER BY id LIMIT $LIMIT;" \
     | psql xwgames
 
diff --git a/xwords4/relay/xwrelay.sh b/xwords4/relay/xwrelay.sh
index b55fd0142..5a50d1fc7 100755
--- a/xwords4/relay/xwrelay.sh
+++ b/xwords4/relay/xwrelay.sh
@@ -88,7 +88,7 @@ id INTEGER UNIQUE PRIMARY KEY
 ,model TEXT
 ,osvers TEXT
 ,ctime TIMESTAMP DEFAULT CURRENT_TIMESTAMP
-,mtime TIMESTAMP
+,mtimes TIMESTAMP[]
 ,unreg BOOLEAN DEFAULT FALSE
 );
 EOF