diff --git a/crates/ui-egui/src/io.rs b/crates/ui-egui/src/io.rs
index 2c700a919..55a39f923 100644
--- a/crates/ui-egui/src/io.rs
+++ b/crates/ui-egui/src/io.rs
@@ -440,8 +440,9 @@ fn plan(app: &VectorcraftApp, mode: SaveMode, p: &Value) -> Result<SavePlan, Str
 /// per template format for Save as Template) and the web opens the Save As dialog (file name and
 /// format). With `ask_options` and no options in `p`,
 /// a format picked that way that has options asks for them before anything is written (SVG
-/// Options, the Save PDF dialog, or the save options dialog: native and `.ai` files on Save As
-/// only), and so does Save As or Save a Copy to a given SVG path. → `{path, format, warnings…}` once written, or `{pending: <dialog kind>,
+/// Options, the Save PDF dialog, or the save options dialog: native files on Save As only, `.ai`
+/// files on Save As and Save a Copy), and so does Save As or Save a Copy to a given SVG path.
+/// → `{path, format, warnings…}` once written, or `{pending: <dialog kind>,
 /// path?}` while a dialog is open.
 pub fn save(app: &mut VectorcraftApp, mode: SaveMode, p: &Value, ask_options: bool) -> Result<Value, String> {
     remember_view(app);
@@ -524,12 +525,14 @@ fn ask_before_losing(app: &mut VectorcraftApp, path: &str, command: &str, params
 }
 
 /// Does a save (`mode`) to a picked file of format `f` ask for its options first? Native and `.ai`
-/// files only on Save As (the options dialog after the save panel); Save, a Copy and templates
-/// reuse the remembered options or Use Compression.
+/// files on Save As (the options dialog after the save panel), and `.ai` files also on Save a Copy,
+/// so the copy is not written in the version last saved whatever the panel's `.ai` type says
+/// (#3141); Save and templates reuse the remembered options or Use Compression.
 fn asks_options(mode: SaveMode, f: &Format) -> bool {
     !f.options.is_empty()
         && match f.id {
-            "vectorcraft" | "ai" => mode == SaveMode::SaveAs,
+            "vectorcraft" => mode == SaveMode::SaveAs,
+            "ai" => matches!(mode, SaveMode::SaveAs | SaveMode::Copy),
             "template" | "ait" => false,
             _ => true,
         }
diff --git a/crates/ui-egui/src/tests_aisave.rs b/crates/ui-egui/src/tests_aisave.rs
index b6af7a31b..03a17dd1d 100644
--- a/crates/ui-egui/src/tests_aisave.rs
+++ b/crates/ui-egui/src/tests_aisave.rs
@@ -35,9 +35,30 @@ fn save_as_ai_writes_a_pdf_that_reopens_editable() {
 fn save_a_copy_as_ai_keeps_the_path() {
     let (mut app, written) = app("/tmp/copy.ai");
     app.session.doc_mut().unwrap().path = Some("/tmp/doc.vectorcraft".into());
-    app.run("file.saveCopy", json!({"compression": {"compressText": false}})).unwrap();
+    // Save a Copy asks for the .ai options like Save As (#3141), then writes.
+    let r = app.run("file.saveCopy", json!({"compression": {"compressText": false}})).unwrap();
+    assert_eq!(r["pending"], "saveOptions", "{r}");
+    crate::dialogs::confirm(&mut app).unwrap();
     let w = written.borrow();
     assert_eq!(w[0].0, "/tmp/copy.ai");
     assert!(vectorcraft_pdf::editing(&w[0].1).is_some_and(|e| e.intact));
     assert_eq!(app.session.active().unwrap().path.as_deref(), Some("/tmp/doc.vectorcraft"));
 }
+
+/// A document last saved as legacy version 7 .ai: Save a Copy as .ai asks for the options (Version
+/// included) instead of silently writing another legacy file, and choosing PDF-compatible there
+/// writes a PDF (#3141).
+#[test]
+fn save_a_copy_as_ai_asks_for_the_version() {
+    let (mut app, written) = app("/tmp/copy.ai");
+    app.run("file.saveAs", json!({"path": "/tmp/legacy.ai", "options": {"aiVersion": "7"}})).unwrap();
+    written.borrow_mut().clear();
+    let r = app.run("file.saveCopy", Value::Null).unwrap();
+    assert_eq!(r["pending"], "saveOptions", "{r}");
+    assert!(written.borrow().is_empty());
+    let d = app.ui.dialog.as_mut().unwrap();
+    assert_eq!((d.str("format").as_str(), d.str("__action").as_str()), ("ai", "file.saveCopy"));
+    d.fields.insert("aiVersion".into(), json!("pdf"));
+    crate::dialogs::confirm(&mut app).unwrap();
+    assert!(written.borrow()[0].1.starts_with(b"%PDF"));
+}
diff --git a/docs/mcp.md b/docs/mcp.md
index d8028ab51..1d5a9fcb1 100644
--- a/docs/mcp.md
+++ b/docs/mcp.md
@@ -3208,8 +3208,8 @@ or in `options` (`file.formatOptions {format}` lists them with their values):
   (default true) with false write blank pages around the native document (smaller; other apps show empty pages).
 - `.ai` only: `compress` (default true) is the PDF option `compression.compressText`.
 
-File → Save As asks for these in the save options dialog (VectorCraft Options) after the save panel; Save, Save a Copy
-and Save as Template reuse the options as last saved (or Use Compression).
+File → Save As asks for these in the save options dialog (VectorCraft Options) after the save panel, and Save a Copy
+does too for a `.ai` file; Save, Save a Copy to a native file and Save as Template reuse the options as last saved (or Use Compression).
 
 ```json
 {"name":"run_command","arguments":{"command":"file.saveAs","params":{"path":"/tmp/set.vectorcraft","separateArtboards":true,"range":"2-3","includeLinked":true}}}