diff --git a/qemu-display/src/console_listener.rs b/qemu-display/src/console_listener.rs
index 0bec922..22ffbd5 100644
--- a/qemu-display/src/console_listener.rs
+++ b/qemu-display/src/console_listener.rs
@@ -88,10 +88,6 @@ impl ScanoutMap {
 }
 
 impl ScanoutMmap {
-    pub fn as_ref(&self) -> &[u8] {
-        self.mmap.as_ref()
-    }
-
     pub fn stride(&self) -> u32 {
         self.scanout.stride
     }
@@ -101,6 +97,12 @@ impl ScanoutMmap {
     }
 }
 
+impl AsRef<[u8]> for ScanoutMmap {
+    fn as_ref(&self) -> &[u8] {
+        self.mmap.as_ref()
+    }
+}
+
 #[derive(Debug, Copy, Clone)]
 pub struct UpdateMap {
     pub x: i32,