diff --git a/agent/src/config/config.rs b/agent/src/config/config.rs
index 5d82312d982..1b37d6c1fd2 100644
--- a/agent/src/config/config.rs
+++ b/agent/src/config/config.rs
@@ -1222,6 +1222,7 @@ impl EbpfTunning {
 pub struct EbpfSocketPreprocess {
     pub out_of_order_reassembly_cache_size: usize,
     pub out_of_order_reassembly_protocols: Vec<String>,
+    #[serde(with = "humantime_serde")]
     pub out_of_order_reassembly_timeout: Duration,
     pub segmentation_reassembly_protocols: Vec<String>,
 }