diff --git a/crates/nu-cli/src/errors.rs b/crates/nu-cli/src/errors.rs
index 4c04481fe0..fc63b34714 100644
--- a/crates/nu-cli/src/errors.rs
+++ b/crates/nu-cli/src/errors.rs
@@ -401,7 +401,7 @@ pub fn report_shell_error(
                 Diagnostic::error()
                     .with_message("External command")
                     .with_labels(vec![
-                        Label::primary(diag_file_id, diag_range).with_message(format!("{}", error))
+                        Label::primary(diag_file_id, diag_range).with_message(error.to_string())
                     ])
             }
         };
diff --git a/crates/nu-command/src/run_external.rs b/crates/nu-command/src/run_external.rs
index 15204ba377..e89e471eda 100644
--- a/crates/nu-command/src/run_external.rs
+++ b/crates/nu-command/src/run_external.rs
@@ -46,7 +46,7 @@ impl<'call, 'contex> ExternalCommand<'call, 'contex> {
         call: &'call Call,
         context: &'contex EvaluationContext,
     ) -> Result<Self, ShellError> {
-        if call.positional.len() == 0 {
+        if call.positional.is_empty() {
             return Err(ShellError::ExternalNotSupported(call.head));
         }