diff --git a/hm/scripts/lip b/hm/scripts/lip
index 3663bd2..e3f090a 100755
--- a/hm/scripts/lip
+++ b/hm/scripts/lip
@@ -1,8 +1,8 @@
 #!/usr/bin/env nix-shell
 #! nix-shell -i bash --pure
-#! nix-shell -p bash jq curl findutils coreutils
+#! nix-shell -p bash jq curl cacert findutils coreutils
 
-set -euo pipefail
+set -euxo pipefail
 
 url="https://ip.frogeye.fr/json"
 cachedir="$HOME/.cache/lip"
@@ -16,7 +16,6 @@ then
     jq_sel="$@"
 fi
 
-
 if [ -n "$ip" ]
 then
     cachefile="$cachedir/$ip"