diff --git a/test/offline_management.sh b/test/offline_management.sh
index 01be21e0..78c73f6c 100755
--- a/test/offline_management.sh
+++ b/test/offline_management.sh
@@ -2,27 +2,35 @@
 
 set -e
 
-a="tmp_a.json"
-b="tmp_b.json"
+a="/tmp/a.json"
+b="/tmp/b.json"
 
+url="http://localhost:3434"
 auditor_pub=$(<"./test/auditor_public_key")
 master_key="./default/master_offline_private_key"
 zero_euro="EUR:0.0"
 
-dune exec offline -- download --output $a
-dune exec offline -- sign --master_key $master_key --input $a --output $b
-dune exec offline -- upload --input $b --url "/management/keys"
+offline_tool() {
+   dune exec offline -- "$@"
+}
 
-dune exec offline -- enable-auditor \
+offline_tool download --output $a --url $url"/management/keys"
+offline_tool sign \
+--master_key $master_key \
+--input $a \
+--output $b
+offline_tool upload --input $b --url $url"/management/keys"
+
+offline_tool enable-auditor \
 --master_key $master_key \
 --output $b \
 --auditor_url "auditor.example.com" \
 --auditor_name "auditor example" \
 --auditor_pub $auditor_pub \
 --validity_start 0
-dune exec offline -- upload --input $b --url "/management/auditors"
+offline_tool upload --input $b --url $url"/management/auditors"
 
-dune exec offline -- wire-fee \
+offline_tool wire-fee \
 --master_key $master_key \
 --output $b \
 --wire_method "xxx" \
@@ -30,9 +38,9 @@ dune exec offline -- wire-fee \
 --fee_end 99999999 \
 --closing_fee $zero_euro \
 --wire_fee $zero_euro
-dune exec offline -- upload --input $b --url "/management/wire-fee"
+offline_tool upload --input $b --url $url"/management/wire-fee"
 
-dune exec offline -- global-fees \
+offline_tool global-fees \
 --master_key $master_key \
 --output $b \
 --start_date 0 \
@@ -43,7 +51,4 @@ dune exec offline -- global-fees \
 --history_expiration 9999999 \
 --purse_account_limit 1 \
 --purse_timeout 9999999
-dune exec offline -- upload --input $b --url "/management/global-fees"
-
-rm $a
-rm $b
+offline_tool upload --input $b --url $url"/management/global-fees"
diff --git a/tools/offline.ml b/tools/offline.ml
index 9c94a61e..5864bd0c 100644
--- a/tools/offline.ml
+++ b/tools/offline.ml
@@ -1,5 +1,5 @@
 (* TODO
-   change download_cmd/upload_cmd
+   better cmd doc
    change arguments: '_' -> '-'
 
    all management operations:
@@ -99,8 +99,8 @@ let download_cmd =
   let doc = "GET" in
   Cmd.make (Cmd.info "download" ~doc)
   @@
-  let+ output = output in
-  download ~output
+  let+ output = output and+ url = url in
+  download ~output ~url
 
 let upload_cmd =
   let doc = "POST" in
diff --git a/tools/offline_impl.ml b/tools/offline_impl.ml
index f56f4bc5..18dc8c53 100644
--- a/tools/offline_impl.ml
+++ b/tools/offline_impl.ml
@@ -161,18 +161,13 @@ let read_master_key_file filename =
   let* master_key = read_file filename in
   Crypto.EddsaPrivateKey.of_octets master_key
 
-let base_url = Uri.of_string "http://localhost:3434/"
-let full_url path = Uri.with_path base_url path |> Uri.to_string
-
-let download ~output =
+let download ~output ~url =
   let open Bos in
-  let uri = full_url "/management/keys/" in
-  OS.Cmd.run Cmd.(v "curl" % "-s" % "-o" % output % "-X" % "GET" % uri)
+  OS.Cmd.run Cmd.(v "curl" % "-s" % "-o" % output % "-X" % "GET" % url)
   |> unwrap_err_msg
 
 let upload ~input ~url =
   let open Bos in
-  let uri = full_url url in
   OS.Cmd.run
     Cmd.(
       v "curl"
@@ -183,7 +178,7 @@ let upload ~input ~url =
       % "Content-Type: application/json"
       % "--data"
       % ("@" ^ input)
-      % uri)
+      % url)
   |> unwrap_err_msg
 
 let setup ~output =