diff --git a/crates/extension_api/wit/since_v0.8.0/settings.rs b/crates/extension_api/wit/since_v0.8.0/settings.rs
index 7c77dc79baf7ab..0f8d2c52b2cf81 100644
--- a/crates/extension_api/wit/since_v0.8.0/settings.rs
+++ b/crates/extension_api/wit/since_v0.8.0/settings.rs
@@ -6,6 +6,8 @@ use std::{collections::HashMap, num::NonZeroU32};
 pub struct LanguageSettings {
     /// How many columns a tab should occupy.
     pub tab_size: NonZeroU32,
+    /// Whether to indent with hard tabs (true) or spaces (false).
+    pub hard_tabs: bool,
     /// The preferred line length (column at which to wrap).
     pub preferred_line_length: u32,
 }
diff --git a/crates/extension_host/src/wasm_host/wit/since_v0_8_0.rs b/crates/extension_host/src/wasm_host/wit/since_v0_8_0.rs
index 15e5ff94062094..25cd0c2d368274 100644
--- a/crates/extension_host/src/wasm_host/wit/since_v0_8_0.rs
+++ b/crates/extension_host/src/wasm_host/wit/since_v0_8_0.rs
@@ -968,6 +968,7 @@ impl ExtensionImports for WasmState {
                         );
                         Ok(serde_json::to_string(&settings::LanguageSettings {
                             tab_size: settings.tab_size,
+                            hard_tabs: settings.hard_tabs,
                             preferred_line_length: settings.preferred_line_length,
                         })?)
                     }