diff --git a/saphyr/src/scanner.rs b/saphyr/src/scanner.rs
index 516f6e5..8919c4a 100644
--- a/saphyr/src/scanner.rs
+++ b/saphyr/src/scanner.rs
@@ -61,8 +61,8 @@ impl ScanError {
         }
     }
 
-    pub fn marker(&self) -> Marker {
-        self.mark
+    pub fn marker(&self) -> &Marker {
+        &self.mark
     }
 }