diff --git a/src/rustylee/src/organs/led_pump.rs b/src/rustylee/src/organs/led_pump.rs
index 06972a0..e72b696 100644
--- a/src/rustylee/src/organs/led_pump.rs
+++ b/src/rustylee/src/organs/led_pump.rs
@@ -4,7 +4,8 @@ use crate::protocols::{OrganCommand, OrganCommandEnvelope, OrganResponse};
 
 pub struct LedPump {
     id: u32,
-    last_beat: u128,
+    parent_organ_id: u32,
+    last_beat: u64,
 }
 
 impl_identifiable!(LedPump, {
@@ -19,9 +20,10 @@ impl_identifiable!(LedPump, {
 });
 
 impl LedPump {
-    pub fn new(id: u32) -> Self {
+    pub fn new(id: u32, parent_organ_id: u32) -> Self {
         Self {
             id,
+            parent_organ_id,
             last_beat: 0
         }
     }
diff --git a/src/rustylee/src/organs/organ_factory.rs b/src/rustylee/src/organs/organ_factory.rs
index 4cd9094..4bec075 100644
--- a/src/rustylee/src/organs/organ_factory.rs
+++ b/src/rustylee/src/organs/organ_factory.rs
@@ -56,10 +56,9 @@ impl OrganFactory {
                 brain_command_to_organ_rx,
                 feedback_to_brain_tx
             );
-
-
+            
             let last_parenchyma_id = organ_id;
-            let led_pump = LedPump::new(OrganFactory::next_parenchyma_id(last_parenchyma_id));
+            let led_pump = LedPump::new(OrganFactory::next_parenchyma_id(last_parenchyma_id), organ_id);
             heart.add_parenchyma(Box::new(led_pump));
             heart.start();
         });