diff --git a/doc_src/terminal-compatibility.rst b/doc_src/terminal-compatibility.rst
index c801546e0..5e91af07a 100644
--- a/doc_src/terminal-compatibility.rst
+++ b/doc_src/terminal-compatibility.rst
@@ -221,7 +221,7 @@ Optional Commands
      - Set terminal window title (OSC 0). Used in :doc:`fish_title <cmds/fish_title>`.
    * - ``\e]2; Pt \x07``
      - ts
-     - Set terminal tab title (OSC 2). Used in :doc:`fish_tab_title <cmds/fish_tab_title>`.
+     - Set terminal tab title (OSC 1). Used in :doc:`fish_tab_title <cmds/fish_tab_title>`.
    * - ``\e]7;file:// Pt / Pt \x07``
      -
      - Report working directory (OSC 7).
diff --git a/src/reader/reader.rs b/src/reader/reader.rs
index 35ce0e60f..38d16464a 100644
--- a/src/reader/reader.rs
+++ b/src/reader/reader.rs
@@ -129,7 +129,7 @@
 use crate::terminal::Outputter;
 use crate::terminal::TerminalCommand::{
     self, ClearScreen, DecrstAlternateScreenBuffer, DecsetAlternateScreenBuffer, DecsetShowCursor,
-    Osc0WindowTitle, Osc2TabTitle, Osc133CommandFinished, Osc133CommandStart, QueryCursorPosition,
+    Osc0WindowTitle, Osc1TabTitle, Osc133CommandFinished, Osc133CommandStart, QueryCursorPosition,
     QueryKittyKeyboardProgressiveEnhancements, QueryPrimaryDeviceAttribute, QueryXtgettcap,
     QueryXtversion,
 };
@@ -4647,14 +4647,13 @@ pub fn reader_write_title(
     parser: &Parser,
     reset_cursor_position: bool, /* = true */
 ) {
-    fn write_title<'a>(
+    fn write_title(
         parser: &Parser,
         out: &mut BufferedOutputter,
         cmd: &wstr,
-        osc: fn(&'a [WString]) -> TerminalCommand<'a>,
+        osc: fn(&[WString]) -> TerminalCommand<'_>,
         function_name: &wstr,
         fallback_title: Option<&wstr>,
-        title_buffer: &'a mut Vec<WString>,
     ) -> bool {
         let mut title_function_call;
         let mut title_command = fallback_title;
@@ -4672,15 +4671,16 @@ fn write_title<'a>(
         let Some(title_command) = title_command else {
             return false;
         };
+        let mut title_buffer = vec![];
         let _ = exec_subshell(
             title_command,
             parser,
-            Some(title_buffer),
+            Some(&mut title_buffer),
             /*apply_exit_status=*/ false,
         );
 
         if !title_buffer.is_empty() {
-            out.write_command(osc(&*title_buffer));
+            out.write_command(osc(&title_buffer));
             return true;
         }
         false
@@ -4693,24 +4693,21 @@ fn write_title<'a>(
 
     let mut out = BufferedOutputter::new(Outputter::stdoutput());
     let mut written = false;
-    let mut lst = vec![];
     written |= write_title(
         parser,
         &mut out,
         cmd,
-        Osc0WindowTitle,
+        |title_buffer| Osc0WindowTitle(title_buffer),
         L!("fish_title"),
         Some(DEFAULT_TITLE),
-        &mut lst,
     );
     written |= write_title(
         parser,
         &mut out,
         cmd,
-        Osc2TabTitle,
+        |title_buffer| Osc1TabTitle(title_buffer),
         L!("fish_tab_title"),
         /*default_title=*/ None,
-        &mut lst,
     );
 
     out.reset_text_face();
diff --git a/src/terminal.rs b/src/terminal.rs
index bc3807268..188a84ea4 100644
--- a/src/terminal.rs
+++ b/src/terminal.rs
@@ -102,7 +102,7 @@ pub(crate) enum TerminalCommand<'a> {
     // Note that OSC 7 and OSC 52 are written from fish script, and OSC 8 is written in our
     // man pages (via "man_show_urls").
     Osc0WindowTitle(&'a [WString]),
-    Osc2TabTitle(&'a [WString]),
+    Osc1TabTitle(&'a [WString]),
     Osc133CommandStart(&'a wstr),
     Osc133PromptStart,
     Osc133CommandFinished(libc::c_int),
@@ -176,8 +176,8 @@ fn write(out: &mut impl Output, sequence: &'static [u8]) -> bool {
             ModifyOtherKeysDisable => write(self, b"\x1b[>4;0m"),
             ApplicationKeypadModeEnable => write(self, b"\x1b="),
             ApplicationKeypadModeDisable => write(self, b"\x1b>"),
-            Osc0WindowTitle(title) => osc_0_or_2_terminal_title(self, false, title),
-            Osc2TabTitle(title) => osc_0_or_2_terminal_title(self, true, title),
+            Osc0WindowTitle(title) => osc_0_or_1_terminal_title(self, false, title),
+            Osc1TabTitle(title) => osc_0_or_1_terminal_title(self, true, title),
             Osc133PromptStart => osc_133_prompt_start(self),
             Osc133CommandStart(command) => osc_133_command_start(self, command),
             Osc133CommandFinished(s) => osc_133_command_finished(self, s),
@@ -371,8 +371,8 @@ fn query_kitty_progressive_enhancements(out: &mut impl Output) -> bool {
     true
 }
 
-fn osc_0_or_2_terminal_title(out: &mut impl Output, is_2: bool, title: &[WString]) -> bool {
-    out.write_bytes(if is_2 { b"\x1b]2;" } else { b"\x1b]0;" });
+fn osc_0_or_1_terminal_title(out: &mut impl Output, is_1: bool, title: &[WString]) -> bool {
+    out.write_bytes(if is_1 { b"\x1b]1;" } else { b"\x1b]0;" });
     for title_line in title {
         out.write_bytes(&wcs2bytes(title_line));
     }