diff --git a/crates/ui-egui/src/menus.rs b/crates/ui-egui/src/menus.rs
index 7ab031e6..1e8aedfb 100644
--- a/crates/ui-egui/src/menus.rs
+++ b/crates/ui-egui/src/menus.rs
@@ -1416,7 +1416,8 @@ pub fn run_ui_command(app: &mut LightcraftApp, id: &str, p: &Value) -> Option<Re
                 if !left.is_empty() {
                     msg.push_str(&crate::i18n::tr_format!(
                         " — left out, as a keyword list can't hold them: {names}",
-                        names = left.iter().take(5).copied().collect::<Vec<_>>().join(" · ")
+                        // escaped: a line break in a name would break the toast
+                        names = left.iter().take(5).map(|n| n.escape_debug().to_string()).collect::<Vec<_>>().join(" · ")
                     ));
                 }
                 app.toast(&ctx, msg);
diff --git a/crates/ui-egui/src/tests_keyword_files.rs b/crates/ui-egui/src/tests_keyword_files.rs
index 9228efd4..f7180c31 100644
--- a/crates/ui-egui/src/tests_keyword_files.rs
+++ b/crates/ui-egui/src/tests_keyword_files.rs
@@ -86,6 +86,10 @@ fn exporting_keywords_names_what_it_left_out() {
     let r = run(&mut h, "file.exportKeywords", json!({"path": path.to_string_lossy()}));
     assert_eq!(r["ok"], true, "{r}");
     assert!(toast(&h).contains("Travel|[draft]"), "{}", toast(&h));
+    // a name with a line break in it shows on one line
+    run(&mut h, "photo.setMeta", json!({"ids": [id], "addKeywords": ["Line\nbreak"]}));
+    run(&mut h, "file.exportKeywords", json!({"path": path.to_string_lossy()}));
+    assert!(toast(&h).contains("Line\\nbreak") && !toast(&h).contains('\n'), "{}", toast(&h));
     let _ = std::fs::remove_dir_all(&dir);
 }