diff --git a/crates/oxc_linter/src/rules/eslint/max_lines_per_function.rs b/crates/oxc_linter/src/rules/eslint/max_lines_per_function.rs
index 6535967b28fd7..038d84a133681 100644
--- a/crates/oxc_linter/src/rules/eslint/max_lines_per_function.rs
+++ b/crates/oxc_linter/src/rules/eslint/max_lines_per_function.rs
@@ -41,6 +41,7 @@ pub struct MaxLinesPerFunctionConfig {
     /// The `IIFEs` option controls whether IIFEs are included in the line count.
     /// By default, IIFEs are not considered, but when set to `true`, they will
     /// be included in the line count for the function.
+    #[serde(rename = "IIFEs")]
     iifes: bool,
 }