diff --git a/src/app/app.rs b/src/app/app.rs
index 1729fac..0796b77 100644
--- a/src/app/app.rs
+++ b/src/app/app.rs
@@ -82,7 +82,7 @@ pub fn update(state: &mut State, message: Message) -> Task<Message> {
             if let Some(value) = pick_directory("Choose scratch folder") {
                 interpreter::INTERPRETER_WORKER
                     .interp_sender
-                    .send_blocking(interpreter::Message::SetScratchDir(value))
+                    .send_blocking(interpreter::Message::SendCmd(format!("apdir x {value}")))
                     .expect("the channel is unbound");
             }
         }
@@ -173,6 +173,8 @@ pub fn update(state: &mut State, message: Message) -> Task<Message> {
             interpreter::Message::Error(output) | interpreter::Message::PythonError(output) => {
                 state.answer = "".to_owned();
                 state.output.push(Output::Error(output));
+
+                return text_input::focus(state.input_id.clone());
             }
             interpreter::Message::Ask(prompt) => {
                 state.answer = "".to_owned();
diff --git a/src/interpreter/mod.rs b/src/interpreter/mod.rs
index e8a4c90..39585f0 100644
--- a/src/interpreter/mod.rs
+++ b/src/interpreter/mod.rs
@@ -54,9 +54,6 @@ impl InterpreterWorker {
                         Message::GetScratchDir => {
                             interpreter.scratch_dir().map(Message::ScratchDir)
                         }
-                        Message::SetScratchDir(value) => interpreter
-                            .set_scratch_dir(&value)
-                            .map(|_| Message::ScratchDir(value)),
                         _ => continue,
                     }
                     .into();
@@ -96,8 +93,6 @@ pub enum Message {
     LoadMidi(String),
     /// Get scratch dir.
     GetScratchDir,
-    /// Set scratch dir.
-    SetScratchDir(String),
     /// The result of `Self::GetScratchDir`.
     ScratchDir(String),
 }
@@ -173,18 +168,6 @@ interp"#
             })
     }
 
-    fn set_scratch_dir(&self, path: &str) -> InterpreterResult<()> {
-        self.py_interpreter.enter(|vm| -> InterpreterResult<()> {
-            let external = vm
-                .get_attribute_opt(self.ath_object.clone(), "external")
-                .try_py()?
-                .expect("external attribute is always available on AthenaObject");
-            vm.call_method(&external, "writePref", ("athena", "fpScratchDir", path))
-                .try_py()?;
-            Ok(())
-        })
-    }
-
     fn scratch_dir(&self) -> InterpreterResult<String> {
         self.py_interpreter
             .enter(|vm| -> InterpreterResult<String> {