diff --git a/src/auth.rs b/src/auth.rs
index 49d7ed0..0d7a405 100644
--- a/src/auth.rs
+++ b/src/auth.rs
@@ -34,7 +34,7 @@ pub fn generate_token(
 
     let mut access = Vec::new();
 
-    if let Some(scope) = &auth_request.scope {
+    for scope in &auth_request.scope {
         let parts: Vec<&str> = scope.split(':').collect();
         if parts.len() >= 3 {
             let resource_type = parts[0]; // "repository"
diff --git a/src/handlers.rs b/src/handlers.rs
index 286ff80..e9ce7ed 100644
--- a/src/handlers.rs
+++ b/src/handlers.rs
@@ -154,12 +154,13 @@ pub async fn registry_v2_check(
 
 pub async fn auth_handler(
     State(state): State<Arc<AppState>>,
-    Query(auth_req): Query<AuthRequest>,
+    Query(params): Query<Vec<(String, String)>>,
     headers: HeaderMap,
 ) -> impl IntoResponse {
+    let auth_req = AuthRequest::from(params);
     debug!(
         service = auth_req.service,
-        scope = auth_req.scope,
+        scope = ?auth_req.scope,
         account = auth_req.account,
         "Auth request"
     );
@@ -248,8 +249,8 @@ pub async fn auth_handler(
 
     // Check scope permissions if specified
     let mut auth_req = auth_req;
-    if let Some(scope_str) = &auth_req.scope {
-        let scope_parts: Vec<&str> = scope_str.split(':').collect();
+    for scope in &mut auth_req.scope {
+        let scope_parts: Vec<&str> = scope.split(':').collect();
         if scope_parts.len() >= 2 {
             let scope_name = scope_parts[1];
 
@@ -299,12 +300,8 @@ pub async fn auth_handler(
                 let mut scope_parts_clone = scope_parts.clone();
                 let library_scope = format!("library/{}", scope_parts_clone[1]);
                 scope_parts_clone[1] = &library_scope;
-                info!(
-                    "Converted scope {} -> {}",
-                    auth_req.scope.clone().unwrap_or_default(),
-                    library_scope
-                );
-                auth_req.scope = Some(scope_parts_clone.join(":"));
+                info!("Converted scope {} -> {}", scope, library_scope);
+                *scope = scope_parts_clone.join(":");
             } else {
                 // Check if user is admin of the specified game scope
                 match state.database.get_game_by_namespace(namespace).await {
@@ -328,12 +325,8 @@ pub async fn auth_handler(
                             let scope_name = scope_image_parts.join("/");
                             scope_parts[1] = &scope_name;
                             let new_scope = scope_parts.join(":");
-                            info!(
-                                "Converted scope {} -> {}",
-                                auth_req.scope.unwrap_or_default(),
-                                new_scope
-                            );
-                            auth_req.scope = Some(new_scope);
+                            info!("Converted scope {} -> {}", scope, new_scope);
+                            *scope = new_scope;
                         }
                     }
                     Ok(None) => {
diff --git a/src/models.rs b/src/models.rs
index 56df107..11895b8 100644
--- a/src/models.rs
+++ b/src/models.rs
@@ -184,13 +184,28 @@ pub struct AccessEntry {
     pub actions: Vec<String>,
 }
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Default)]
 pub struct AuthRequest {
     pub service: Option<String>,
-    pub scope: Option<String>,
+    pub scope: Vec<String>,
     pub account: Option<String>,
 }
 
+impl From<Vec<(String, String)>> for AuthRequest {
+    fn from(params: Vec<(String, String)>) -> Self {
+        let mut request = Self::default();
+        for (key, value) in params {
+            match key.as_str() {
+                "service" => request.service = Some(value),
+                "scope" => request.scope.push(value),
+                "account" => request.account = Some(value),
+                _ => {}
+            }
+        }
+        request
+    }
+}
+
 #[derive(Debug, Serialize)]
 pub struct AuthResponse {
     pub token: String,