diff --git a/helix-core/src/indent.rs b/helix-core/src/indent.rs
index b3b0ba66334b..487bae413b05 100644
--- a/helix-core/src/indent.rs
+++ b/helix-core/src/indent.rs
@@ -237,7 +237,7 @@ fn get_first_in_line(mut node: Node, new_line_byte_pos: Option<usize>) -> Vec<bo
 /// This is usually constructed in one of 2 ways:
 /// - Successively add indent captures to get the (added) indent from a single line
 /// - Successively add the indent results for each line
-#[derive(Default, Debug, PartialEq, Clone)]
+#[derive(Default, Debug, PartialEq, Eq, Clone)]
 pub struct Indentation {
     /// The total indent (the number of indent levels) is defined as max(0, indent-outdent).
     /// The string that this results in depends on the indent style (spaces or tabs, etc.)