diff --git a/config/ipv64-dns-challenge.sh b/config/ipv64-dns-challenge.sh
index c0eb20c..f82cda6 100755
--- a/config/ipv64-dns-challenge.sh
+++ b/config/ipv64-dns-challenge.sh
@@ -18,7 +18,7 @@ apk add -U curl
 configfile="/etc/traefik/config.env"
 
 if [ ! -r "$configfile" ]; then
-  echo "$configfile does not exist or isn't readable"
+  echo "Configfile: $configfile does not exist or isn't readable"
   exit 1
 fi