diff --git a/Cargo.lock b/Cargo.lock
index a362d500..7ffb70aa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -442,6 +442,18 @@ version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"
 
+[[package]]
+name = "escargot"
+version = "0.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5584ba17d7ab26a8a7284f13e5bd196294dd2f2d79773cff29b9e9edef601a6"
+dependencies = [
+ "log",
+ "once_cell",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "fastrand"
 version = "1.8.0"
@@ -936,6 +948,7 @@ dependencies = [
  "assert_cmd",
  "assert_fs",
  "clap 4.0.18",
+ "escargot",
  "flate2",
  "oxhttp",
  "oxigraph",
diff --git a/server/Cargo.toml b/server/Cargo.toml
index dc42169f..bfcd54ba 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -26,4 +26,5 @@ rayon-core = "1"
 [dev-dependencies]
 assert_cmd = "2"
 assert_fs = "1"
+escargot = "0.5"
 predicates = "2"
diff --git a/server/src/main.rs b/server/src/main.rs
index 3e5d4455..326d46c8 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -1,4 +1,4 @@
-use anyhow::anyhow;
+use anyhow::{anyhow, bail};
 use clap::{Parser, Subcommand};
 use flate2::read::MultiGzDecoder;
 use oxhttp::model::{Body, HeaderName, HeaderValue, Request, Response, Status};
@@ -160,10 +160,10 @@ fn bulk_load(loader: BulkLoader, reader: impl Read, file: &Path) -> anyhow::Resu
         loader.load_graph(reader, format, GraphNameRef::DefaultGraph, None)?;
         Ok(())
     } else {
-        Err(anyhow!(
+        bail!(
             "Not able to guess the file format from the extension {}",
             extension
-        ))
+        )
     }
 }
 
@@ -1090,14 +1090,25 @@ impl Write for ReadForWriteWriter {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use anyhow::Result;
     use assert_cmd::Command;
     use assert_fs::prelude::*;
     use oxhttp::model::Method;
     use predicates::prelude::*;
 
+    fn cli_command() -> Result<Command> {
+        Ok(Command::from_std(
+            escargot::CargoBuild::new()
+                .bin(env!("CARGO_PKG_NAME"))
+                .manifest_path(format!("{}/Cargo.toml", env!("CARGO_MANIFEST_DIR")))
+                .run()?
+                .command(),
+        ))
+    }
+
     #[test]
-    fn cli_help() -> Result<(), Box<dyn std::error::Error>> {
-        Command::cargo_bin("oxigraph_server")?
+    fn cli_help() -> Result<()> {
+        cli_command()?
             .assert()
             .failure()
             .stdout("")
@@ -1106,10 +1117,10 @@ mod tests {
     }
 
     #[test]
-    fn cli_load_graph() -> Result<(), Box<dyn std::error::Error>> {
+    fn cli_load_graph() -> Result<()> {
         let file = assert_fs::NamedTempFile::new("sample.nt")?;
         file.write_str("<http://example.com/s> <http://example.com/p> <http://example.com/o> .")?;
-        Command::cargo_bin("oxigraph_server")?
+        cli_command()?
             .arg("load")
             .arg("-f")
             .arg(file.path())
@@ -1121,10 +1132,10 @@ mod tests {
     }
 
     #[test]
-    fn cli_load_dataset() -> Result<(), Box<dyn std::error::Error>> {
+    fn cli_load_dataset() -> Result<()> {
         let file = assert_fs::NamedTempFile::new("sample.nq")?;
         file.write_str("<http://example.com/s> <http://example.com/p> <http://example.com/o> .")?;
-        Command::cargo_bin("oxigraph_server")?
+        cli_command()?
             .arg("load")
             .arg("-f")
             .arg(file.path())