diff --git a/src/runtime2/component/component_random.rs b/src/runtime2/component/component_random.rs
index b48f13b5b8e17d7f777e420aae1eeb5c34f8a324..b2f1fc7e1e569543728a739cddca12a4c6a0e766 100644
--- a/src/runtime2/component/component_random.rs
+++ b/src/runtime2/component/component_random.rs
@@ -2,14 +2,10 @@ use rand::prelude as random;
 use rand::RngCore;
 
 use crate::protocol::eval::{ValueGroup, Value};
-use crate::runtime2::*;
+use crate::runtime2::communication::*;
 
 use super::*;
-use super::component::{
-    self,
-    Component, CompExecState, CompScheduling,
-    CompMode, ExitReason
-};
+use super::component::*;
 use super::control_layer::*;
 use super::consensus::*;
 
@@ -28,6 +24,8 @@ pub struct ComponentRandomU32 {
     did_perform_send: bool, // when in sync mode
     control: ControlLayer,
     consensus: Consensus,
+    inbox_main: InboxMain, // not used
+    inbox_backup: InboxBackup, // not used
 }
 
 impl Component for ComponentRandomU32 {
@@ -51,7 +49,7 @@ impl Component for ComponentRandomU32 {
             Message::Control(message) => {
                 if let Err(location_and_message) = component::default_handle_control_message(
                     &mut self.exec_state, &mut self.control, &mut self.consensus,
-                    message, sched_ctx, comp_ctx
+                    message, sched_ctx, comp_ctx, &mut self.inbox_main, &mut self.inbox_backup
                 ) {
                     component::default_handle_error_for_builtin(&mut self.exec_state, sched_ctx, location_and_message);
                 }
@@ -64,7 +62,7 @@ impl Component for ComponentRandomU32 {
         sched_ctx.info(&format!("Running component ComponentRandomU32 (mode: {:?})", self.exec_state.mode));
 
         match self.exec_state.mode {
-            CompMode::BlockedGet | CompMode::BlockedSelect => {
+            CompMode::BlockedGet | CompMode::BlockedSelect | CompMode::BlockedPutPorts => {
                 // impossible for this component, no input ports and no select
                 // blocks
                 unreachable!();
@@ -104,7 +102,8 @@ impl Component for ComponentRandomU32 {
                     let send_result = component::default_send_data_message(
                         &mut self.exec_state, self.output_port_id,
                         PortInstruction::NoSource, value_group,
-                        sched_ctx, &mut self.consensus, comp_ctx
+                        sched_ctx, &mut self.consensus, &mut self.control,
+                        comp_ctx
                     );
 
                     if let Err(location_and_message) = send_result {
@@ -157,6 +156,8 @@ impl ComponentRandomU32 {
             did_perform_send: false,
             control: ControlLayer::default(),
             consensus: Consensus::new(),
+            inbox_main: Vec::new(),
+            inbox_backup: Vec::new(),
         }
     }
 }
\ No newline at end of file