diff --git a/src/data/app_config.rs b/src/data/app_config.rs
index 461f009..67b1ac9 100644
--- a/src/data/app_config.rs
+++ b/src/data/app_config.rs
@@ -18,6 +18,14 @@ pub struct AppConfig {
     #[clap(short, long, env)]
     pub storage_path: String,
 
+    /// Overwrite clients list file path, if the file is not to be found in storage path
+    #[clap(long, env)]
+    pub clients_list_file_path: Option<String>,
+
+    /// Overwrite providers list file path, if the file is not to be found in storage path
+    #[clap(long, env)]
+    pub providers_list_file_path: Option<String>,
+
     /// App token token
     #[clap(short, long, env, default_value = "")]
     pub token_key: String,
@@ -32,7 +40,7 @@ pub struct AppConfig {
 
     /// IP location service API
     ///
-    /// Up instance of IP location service : https://gitlab.com/pierre42100/iplocationserver
+    /// Operating instance of IP location service : https://gitlab.com/pierre42100/iplocationserver
     ///
     /// Example: "https://api.geoip.rs"
     #[arg(long, short, env)]
@@ -71,11 +79,17 @@ impl AppConfig {
     }
 
     pub fn clients_file(&self) -> PathBuf {
-        self.storage_path().join(CLIENTS_LIST_FILE)
+        match &self.clients_list_file_path {
+            None => self.storage_path().join(CLIENTS_LIST_FILE),
+            Some(p) => Path::new(p).to_path_buf(),
+        }
     }
 
     pub fn providers_file(&self) -> PathBuf {
-        self.storage_path().join(PROVIDERS_LIST_FILE)
+        match &self.providers_list_file_path {
+            None => self.storage_path().join(PROVIDERS_LIST_FILE),
+            Some(p) => Path::new(p).to_path_buf(),
+        }
     }
 
     pub fn full_url(&self, uri: &str) -> String {
diff --git a/src/data/client.rs b/src/data/client.rs
index 2271f91..71516e2 100644
--- a/src/data/client.rs
+++ b/src/data/client.rs
@@ -125,7 +125,7 @@ impl Client {
 
 pub type ClientManager = EntityManager<Client>;
 
-impl EntityManager<Client> {
+impl ClientManager {
     pub fn find_by_id(&self, u: &ClientID) -> Option<Client> {
         for entry in self.iter() {
             if entry.id.eq(u) {