diff --git a/src/editor.rs b/src/editor.rs
index 66b2c1b..832c6b2 100644
--- a/src/editor.rs
+++ b/src/editor.rs
@@ -445,7 +445,14 @@ impl Editor {
 		let input_x = 560;
 		let width = d.get_screen_width();
 		if self.input_as_text {
-			let mut input_text = String::from_utf8_lossy(self.machine.input()).to_string();
+			let mut input_text = String::new();
+			for &byte in self.machine.input() {
+				if byte.is_ascii_graphic() || byte == b' ' {
+					input_text.push(byte as char);
+				} else {
+					input_text.push('\\');
+				}
+			}
 			if text_input(
 				d,
 				Rectangle::new(input_x as f32, 5., (width - input_x - 5) as f32, 30.),