diff --git a/checklinks.sh b/checklinks.sh
index 98c5e4af..63898075 100755
--- a/checklinks.sh
+++ b/checklinks.sh
@@ -3,7 +3,8 @@
 # Props to https://www.commandlinefu.com/commands/view/8234/check-broken-links-using-wget-as-a-spider
 set -eu
 
+logfile="$(pwd)/wget.log.$(date +%FT%T)"
 tmp=$(mktemp --directory)
 cd "$tmp"
 
-wget --spider -o wget.log -r -p -X '/soustredeni/*/fotogalerie/' "$@"
+wget --spider -o "$logfile" -r -p -X '/soustredeni/*/fotogalerie/' "$@"