diff --git a/config.txt b/config.txt
index 4db8976..7687296 100644
--- a/config.txt
+++ b/config.txt
@@ -1,4 +1,4 @@
-useragent "curl/7.54.2"
+useragent "tii/current"
 proxyhost ""
 proxyport "0"
 tiix_font "Fira Code"
diff --git a/tiifetch.tcl b/tiifetch.tcl
index e41a30e..fe30ee8 100755
--- a/tiifetch.tcl
+++ b/tiifetch.tcl
@@ -245,7 +245,8 @@ proc fetchiidb {url echos dbdir dolog} {
     # pre-filter the new message IDs to fetch
     set newmsgids [listcomp $msgids $oldmsgids] 
     # save the echo index file with all message IDs
-    writefileln $echofile [join $msgids "\n"]
+    set msgids [list {*}$oldmsgids {*}$newmsgids]
+    writefileln $echofile [string cat [string trimright [join $msgids "\n"]] "\n"]
     if {$dolog eq 1} {puts "Fetching [llength $newmsgids] new messages from $echoname..."}
     set idgroups ""
     set grcount 0