diff --git a/crates/rkgk/src/api/wall.rs b/crates/rkgk/src/api/wall.rs
index ab13378..d069911 100644
--- a/crates/rkgk/src/api/wall.rs
+++ b/crates/rkgk/src/api/wall.rs
@@ -429,13 +429,15 @@ impl SessionLoop {
             }
         }
 
-        ws.send(to_message(&Notify::Chunks {
-            chunks: chunk_infos,
-            has_more: !self.pending_images.is_empty()
-                || self.viewport_chunks.clone().next().is_some(),
-        }))
-        .await?;
-        ws.send(Message::Binary(packet)).await?;
+        if !chunk_infos.is_empty() {
+            ws.send(to_message(&Notify::Chunks {
+                chunks: chunk_infos,
+                has_more: !self.pending_images.is_empty()
+                    || self.viewport_chunks.clone().next().is_some(),
+            }))
+            .await?;
+            ws.send(Message::Binary(packet)).await?;
+        }
 
         Ok(())
     }