diff --git a/src/vga_buffer.rs b/src/vga_buffer.rs
index fcf95893..d81f1168 100644
--- a/src/vga_buffer.rs
+++ b/src/vga_buffer.rs
@@ -115,7 +115,7 @@ impl Writer {
         for byte in s.bytes() {
             match byte {
                 // printable ASCII byte or newline
-                0x20...0x7e | b'\n' => self.write_byte(byte),
+                0x20..=0x7e | b'\n' => self.write_byte(byte),
                 // not part of printable ASCII range
                 _ => self.write_byte(0xfe),
             }