diff --git a/k-tv-backend/api/src/dto.rs b/k-tv-backend/api/src/dto.rs
index a5d2c88..14c5462 100644
--- a/k-tv-backend/api/src/dto.rs
+++ b/k-tv-backend/api/src/dto.rs
@@ -245,8 +245,7 @@ impl ScheduledSlotResponse {
     pub fn with_block_access(slot: domain::ScheduledSlot, channel: &domain::Channel) -> Self {
         let block_access_mode = channel
             .schedule_config
-            .blocks
-            .iter()
+            .all_blocks()
             .find(|b| b.id == slot.source_block_id)
             .map(|b| b.access_mode.clone())
             .unwrap_or_default();
diff --git a/k-tv-backend/api/src/routes/channels/broadcast.rs b/k-tv-backend/api/src/routes/channels/broadcast.rs
index 8e9f90e..488cef1 100644
--- a/k-tv-backend/api/src/routes/channels/broadcast.rs
+++ b/k-tv-backend/api/src/routes/channels/broadcast.rs
@@ -61,8 +61,7 @@ pub(super) async fn get_current_broadcast(
         Some(broadcast) => {
             let block_access_mode = channel
                 .schedule_config
-                .blocks
-                .iter()
+                .all_blocks()
                 .find(|b| b.id == broadcast.slot.source_block_id)
                 .map(|b| b.access_mode.clone())
                 .unwrap_or_default();
@@ -168,8 +167,7 @@ pub(super) async fn get_stream(
     // Block-level access check
     if let Some(block) = channel
         .schedule_config
-        .blocks
-        .iter()
+        .all_blocks()
         .find(|b| b.id == broadcast.slot.source_block_id)
     {
         check_access(