diff --git a/crates/daqbuffer/Cargo.toml b/crates/daqbuffer/Cargo.toml
index 71c61e1..34f7cbc 100644
--- a/crates/daqbuffer/Cargo.toml
+++ b/crates/daqbuffer/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "daqbuffer"
-version = "0.5.5-aa.8"
+version = "0.5.5-aa.9"
 authors = ["Dominik Werder <dominik.werder@gmail.com>"]
 edition = "2021"
 
diff --git a/crates/httpret/src/api4/binned.rs b/crates/httpret/src/api4/binned.rs
index e2d5b3b..c860cef 100644
--- a/crates/httpret/src/api4/binned.rs
+++ b/crates/httpret/src/api4/binned.rs
@@ -232,7 +232,7 @@ async fn binned_json_single(
 ) -> Result<StreamResponse, Error> {
     // TODO unify with binned_json_framed
     debug!("binned_json_single");
-    let item = streams::timebinnedjson::timebinned_json(
+    let res = streams::timebinnedjson::timebinned_json(
         res2.query,
         res2.ch_conf,
         ctx,
@@ -241,7 +241,7 @@ async fn binned_json_single(
         res2.timeout_provider,
     )
     .await?;
-    match item {
+    match res {
         CollectResult::Some(item) => {
             let ret = response(StatusCode::OK)
                 .header(CONTENT_TYPE, APP_JSON)
@@ -249,10 +249,14 @@ async fn binned_json_single(
                 .body(ToJsonBody::from(item.into_bytes()).into_body())?;
             Ok(ret)
         }
+        CollectResult::Empty => {
+            let ret = error_status_response(StatusCode::NO_CONTENT, format!("no content"), ctx.reqid());
+            Ok(ret)
+        }
         CollectResult::Timeout => {
             let ret = error_status_response(
                 StatusCode::GATEWAY_TIMEOUT,
-                format!("no data within timeout"),
+                format!("no content within timeout"),
                 ctx.reqid(),
             );
             Ok(ret)
diff --git a/crates/httpret/src/api4/events.rs b/crates/httpret/src/api4/events.rs
index 8d87214..b037031 100644
--- a/crates/httpret/src/api4/events.rs
+++ b/crates/httpret/src/api4/events.rs
@@ -240,10 +240,14 @@ async fn plain_events_json(req: Requ, res2: HandleRes2<'_>) -> Result<StreamResp
             debug!("{self_name}  response created");
             Ok(ret)
         }
+        CollectResult::Empty => {
+            let ret = error_status_response(StatusCode::NO_CONTENT, format!("no content"), res2.ctx.reqid());
+            Ok(ret)
+        }
         CollectResult::Timeout => {
             let ret = error_status_response(
                 StatusCode::GATEWAY_TIMEOUT,
-                format!("no data within timeout"),
+                format!("no content within timeout"),
                 res2.ctx.reqid(),
             );
             Ok(ret)