diff --git a/tools/src/main.rs b/tools/src/main.rs
index 4df25fdd..79118229 100644
--- a/tools/src/main.rs
+++ b/tools/src/main.rs
@@ -3,6 +3,7 @@ use clap::Command;
 
 mod publish;
 mod release;
+mod utils;
 
 #[derive(Debug)]
 pub enum Error {
diff --git a/tools/src/publish.rs b/tools/src/publish.rs
index 73a34d57..0f8935f7 100644
--- a/tools/src/publish.rs
+++ b/tools/src/publish.rs
@@ -1,12 +1,14 @@
 use clap::{Arg, ArgAction, ArgMatches};
 use std::collections::{HashMap, HashSet};
 use std::fs;
-use std::path::{Path, PathBuf};
+use std::path::Path;
 use std::process::Command;
+use std::thread;
 use std::time::Duration;
-use std::{env, thread};
 use toml_edit::Document;
 
+use crate::utils::*;
+
 #[derive(Debug)]
 pub enum Error {
     FindRootDirectory,
@@ -31,7 +33,7 @@ pub fn command() -> clap::Command {
 pub fn publish(matches: &ArgMatches) -> Result<(), Error> {
     let dry_run = matches.get_one::<bool>("Dry run").expect("defined by clap");
 
-    let root_directory = find_agb_root_directory()?;
+    let root_directory = find_agb_root_directory().map_err(|_| Error::FindRootDirectory)?;
 
     let mut fully_published_crates: HashSet<String> = HashSet::new();
     let mut published_crates: HashSet<String> = HashSet::new();
@@ -86,19 +88,6 @@ pub fn publish(matches: &ArgMatches) -> Result<(), Error> {
     Ok(())
 }
 
-fn find_agb_root_directory() -> Result<PathBuf, Error> {
-    let mut current_path = env::current_dir().map_err(|_| Error::FindRootDirectory)?;
-
-    while !current_path.clone().join("justfile").exists() {
-        current_path = current_path
-            .parent()
-            .ok_or(Error::FindRootDirectory)?
-            .to_owned();
-    }
-
-    Ok(current_path)
-}
-
 fn check_if_released(crate_to_publish: &str, expected_version: &str) -> Result<bool, Error> {
     let url_to_poll = &get_url_to_poll(crate_to_publish);
 
@@ -220,16 +209,9 @@ mod test {
         }
     }
 
-    #[test]
-    fn should_find_root_directory() -> Result<(), Error> {
-        assert_ne!(find_agb_root_directory()?.to_string_lossy(), "");
-
-        Ok(())
-    }
-
     #[test]
     fn should_read_version() -> Result<(), Error> {
-        let root_directory = find_agb_root_directory()?;
+        let root_directory = crate::utils::find_agb_root_directory().unwrap();
         let my_version = read_cargo_toml_version(&root_directory.join("tools"))?;
 
         assert_eq!(my_version, "0.1.0");
@@ -238,7 +220,7 @@ mod test {
 
     #[test]
     fn should_detect_dependencies() -> Result<(), Error> {
-        let root_directory = find_agb_root_directory()?;
+        let root_directory = crate::utils::find_agb_root_directory().unwrap();
         let deps = get_agb_dependencies(&root_directory.join("agb"))?;
 
         assert_eq!(
diff --git a/tools/src/utils.rs b/tools/src/utils.rs
new file mode 100644
index 00000000..a9759165
--- /dev/null
+++ b/tools/src/utils.rs
@@ -0,0 +1,27 @@
+use std::{env, path::PathBuf};
+
+#[derive(Debug)]
+pub struct FindRootDirectoryError;
+
+pub fn find_agb_root_directory() -> Result<PathBuf, FindRootDirectoryError> {
+    let mut current_path = env::current_dir().map_err(|_| FindRootDirectoryError)?;
+
+    while !current_path.clone().join("justfile").exists() {
+        current_path = current_path
+            .parent()
+            .ok_or(FindRootDirectoryError)?
+            .to_owned();
+    }
+
+    Ok(current_path)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::find_agb_root_directory;
+
+    #[test]
+    fn find_agb_root_directory_works() {
+        find_agb_root_directory().unwrap();
+    }
+}