diff --git a/apps/soundcraft-cli/src/main.rs b/apps/soundcraft-cli/src/main.rs
index 2c22b689..ccec6697 100644
--- a/apps/soundcraft-cli/src/main.rs
+++ b/apps/soundcraft-cli/src/main.rs
@@ -5,7 +5,8 @@
 //! soundcraft-cli convert IN OUT [--bit-depth 16|24|32f] [--rate HZ] [--normalize] [--dither | --no-dither]
 //!                                                 dithers only when the output loses resolution, unless told
 //! soundcraft-cli run [--in S.scraft | --demo] [--cmd ID[=JSON]]… [--bounce OUT] [--start T --end T] [--save S.scraft] [--inspect]
-//! soundcraft-cli script FILE [--in S | --demo] [--save S] [--bounce OUT]   (one `ID JSON` per line)
+//! soundcraft-cli script FILE [--in S | --demo] [--save S] [--bounce OUT [--start T --end T]]   (one `ID JSON` per line;
+//!                                                 without --start/--end, --bounce covers the whole session)
 //! soundcraft-cli commands [FILTER]               list commands
 //! soundcraft-cli describe ID                     one command's details
 //! soundcraft-cli app [--port P] METHOD [JSON]     call a running app's control channel
@@ -309,6 +310,11 @@ fn finish(e: &mut Engine, args: &[String]) -> ExitCode {
         if let Some(s) = arg_value(args, "--end") {
             p["end"] = time_arg(&s);
         }
+        // No range given: bounce the whole session, not whatever edit selection the commands left.
+        if p.get("start").is_none() && p.get("end").is_none() {
+            p["start"] = json!(0);
+            p["end"] = json!(e.session().content_end().max(1));
+        }
         match e.execute("file.bounce_mix", &p) {
             Ok(v) => outln!("{v}"),
             Err(err) => return fail(err),
diff --git a/apps/soundcraft-cli/tests/it/cli.rs b/apps/soundcraft-cli/tests/it/cli.rs
index ebc92cc5..b15f8da5 100644
--- a/apps/soundcraft-cli/tests/it/cli.rs
+++ b/apps/soundcraft-cli/tests/it/cli.rs
@@ -215,3 +215,28 @@ fn usage_lists_the_root_flags() {
     let help = String::from_utf8_lossy(&o.stdout).into_owned();
     assert!(help.contains("--automation-read-root DIR") && help.contains("--automation-write-root DIR"), "{help}");
 }
+
+/// Without `--start`/`--end`, `--bounce` covers the whole session, not a stray edit selection
+/// left by the script (a bare `19.2` in command params is 19 samples).
+#[test]
+fn script_bounce_without_range_covers_the_session() {
+    let base = tmpdir("bounce-range");
+    let script = base.join("cmds.txt");
+    std::fs::write(
+        &script,
+        concat!(
+            "track.new {\"count\":1,\"kind\":\"instrument\",\"name\":\"Keys\"}\n",
+            "midi.new_clip {\"track\":\"Keys\",\"start\":0,\"end\":{\"seconds\":19.2}}\n",
+            "edit.select {\"start\":0,\"end\":19.2}\n",
+        ),
+    )
+    .unwrap();
+    let out = base.join("out.wav");
+    let o = run(&["script", script.to_str().unwrap(), "--bounce", out.to_str().unwrap()]);
+    assert!(o.status.success(), "{}", String::from_utf8_lossy(&o.stderr));
+    let stdout = String::from_utf8_lossy(&o.stdout).into_owned();
+    let last: Value = serde_json::from_str(stdout.lines().last().unwrap()).unwrap();
+    let secs = last["seconds"].as_f64().unwrap();
+    assert!((secs - 19.2).abs() < 0.01, "bounced {secs} s: {stdout}");
+    let _ = std::fs::remove_dir_all(base);
+}