diff --git a/crates/daemon/keyforkd/src/service.rs b/crates/daemon/keyforkd/src/service.rs
index af8b373..cc06a7f 100644
--- a/crates/daemon/keyforkd/src/service.rs
+++ b/crates/daemon/keyforkd/src/service.rs
@@ -12,7 +12,7 @@ use keyfork_derive_path_data::guess_target;
 // use keyfork_derive_util::request::{DerivationError, DerivationRequest, DerivationResponse};
 use keyforkd_models::{DerivationError, Error, Request, Response};
 use tower::Service;
-use tracing::info;
+use tracing::{info, warn};
 
 // NOTE: All values implemented in Keyforkd must implement Clone with low overhead, either by
 // using an Arc or by having a small signature. This is because Service<T> takes &mut self.
@@ -38,6 +38,9 @@ impl std::fmt::Debug for Keyforkd {
 impl Keyforkd {
     /// Create a new instance of Keyfork from a given seed.
     pub fn new(seed: Vec<u8>) -> Self {
+        if seed.len() < 16 {
+            warn!("Entropy size is lower than 128 bits: {} bits.", seed.len() * 8);
+        }
         Self {
             seed: Arc::new(seed),
         }