diff --git a/codex-rs/app-server/src/request_processors/fs_processor.rs b/codex-rs/app-server/src/request_processors/fs_processor.rs
index aa93514506..f49d93301a 100644
--- a/codex-rs/app-server/src/request_processors/fs_processor.rs
+++ b/codex-rs/app-server/src/request_processors/fs_processor.rs
@@ -71,7 +71,12 @@ impl FsRequestProcessor {
                 .await
                 .map_err(map_fs_error)?,
             (Some(offset), Some(length)) => file_system
-                .read_file_range(&params.path, offset, length, /*sandbox*/ None)
+                .read_file_range(
+                    &params.path,
+                    /*offset*/ offset,
+                    /*length*/ length,
+                    /*sandbox*/ None,
+                )
                 .await
                 .map_err(map_fs_error)?,
             _ => {
diff --git a/codex-rs/exec-server/src/fs_helper.rs b/codex-rs/exec-server/src/fs_helper.rs
index 9d393f387d..9ebd4d1d8c 100644
--- a/codex-rs/exec-server/src/fs_helper.rs
+++ b/codex-rs/exec-server/src/fs_helper.rs
@@ -177,7 +177,12 @@ pub(crate) async fn run_direct_request(
                     .await
                     .map_err(map_fs_error)?,
                 (Some(offset), Some(length)) => file_system
-                    .read_file_range(&params.path, offset, length, /*sandbox*/ None)
+                    .read_file_range(
+                        &params.path,
+                        /*offset*/ offset,
+                        /*length*/ length,
+                        /*sandbox*/ None,
+                    )
                     .await
                     .map_err(map_fs_error)?,
                 _ => {
diff --git a/codex-rs/exec-server/src/local_file_system.rs b/codex-rs/exec-server/src/local_file_system.rs
index 28eeee52ac..d8b7eb7b71 100644
--- a/codex-rs/exec-server/src/local_file_system.rs
+++ b/codex-rs/exec-server/src/local_file_system.rs
@@ -99,7 +99,9 @@ impl ExecutorFileSystem for LocalFileSystem {
     ) -> FileSystemResult<Vec<u8>> {
         let (file_system, sandbox) = self.file_system_for(sandbox)?;
         file_system
-            .read_file_range(path, offset, length, sandbox)
+            .read_file_range(
+                path, /*offset*/ offset, /*length*/ length, sandbox,
+            )
             .await
     }
 
@@ -185,7 +187,9 @@ impl ExecutorFileSystem for UnsandboxedFileSystem {
     ) -> FileSystemResult<Vec<u8>> {
         reject_platform_sandbox_context(sandbox)?;
         self.file_system
-            .read_file_range(path, offset, length, /*sandbox*/ None)
+            .read_file_range(
+                path, /*offset*/ offset, /*length*/ length, /*sandbox*/ None,
+            )
             .await
     }
 
diff --git a/codex-rs/exec-server/src/server/file_system_handler.rs b/codex-rs/exec-server/src/server/file_system_handler.rs
index 0ec046263a..d13031bc27 100644
--- a/codex-rs/exec-server/src/server/file_system_handler.rs
+++ b/codex-rs/exec-server/src/server/file_system_handler.rs
@@ -54,7 +54,12 @@ impl FileSystemHandler {
                 .map_err(map_fs_error)?,
             (Some(offset), Some(length)) => self
                 .file_system
-                .read_file_range(&params.path, offset, length, params.sandbox.as_ref())
+                .read_file_range(
+                    &params.path,
+                    /*offset*/ offset,
+                    /*length*/ length,
+                    params.sandbox.as_ref(),
+                )
                 .await
                 .map_err(map_fs_error)?,
             _ => {
diff --git a/codex-rs/exec-server/tests/file_system.rs b/codex-rs/exec-server/tests/file_system.rs
index e0fa35d9f1..c6cd5f6e31 100644
--- a/codex-rs/exec-server/tests/file_system.rs
+++ b/codex-rs/exec-server/tests/file_system.rs
@@ -373,8 +373,8 @@ async fn file_system_methods_cover_surface_area(use_remote: bool) -> Result<()>
     let nested_file_range = file_system
         .read_file_range(
             &absolute_path(nested_file.clone()),
-            6,
-            4,
+            /*offset*/ 6,
+            /*length*/ 4,
             /*sandbox*/ None,
         )
         .await