diff --git a/src/protocol/inputsource.rs b/src/protocol/inputsource.rs
index dda400c8befa547e4f817aa9f675d863c7835ad9..b070fe7e5d57d55cb2e4a28692ddf265c1364feb 100644
--- a/src/protocol/inputsource.rs
+++ b/src/protocol/inputsource.rs
@@ -151,7 +151,7 @@ impl fmt::Display for InputSource {
 pub struct InputPosition {
     line: usize,
     column: usize,
-    offset: usize,
+    pub(crate) offset: usize,
 }
 
 impl InputPosition {