diff --git a/helix-core/src/indent.rs b/helix-core/src/indent.rs
index 9032d660..58124ed2 100644
--- a/helix-core/src/indent.rs
+++ b/helix-core/src/indent.rs
@@ -263,6 +263,7 @@ where
                     highlight_config: OnceCell::new(),
                     //
                     roots: vec![],
+                    auto_format: false,
                     language_server: None,
                     indent: Some(IndentationConfiguration {
                         tab_width: 4,