diff --git a/saphyr/src/scanner.rs b/saphyr/src/scanner.rs
index 4663b9f..516f6e5 100644
--- a/saphyr/src/scanner.rs
+++ b/saphyr/src/scanner.rs
@@ -60,6 +60,10 @@ impl ScanError {
             info: info.to_owned()
         }
     }
+
+    pub fn marker(&self) -> Marker {
+        self.mark
+    }
 }
 
 impl Error for ScanError {