diff --git a/src/instruction.rs b/src/instruction.rs
index 810f702..8e5d585 100644
--- a/src/instruction.rs
+++ b/src/instruction.rs
@@ -8,8 +8,8 @@ use solana_program::{
 };
 
 use crate::{
-    impl_instruction_from_bytes, impl_to_bytes, state::Hash, BUS, BUS_ADDRESSES, MINT,
-    MINT_ADDRESS, PROOF, TREASURY, TREASURY_ADDRESS,
+    impl_instruction_from_bytes, impl_to_bytes, state::Hash, BUS, MINT, MINT_ADDRESS, PROOF,
+    TREASURY, TREASURY_ADDRESS,
 };
 
 #[repr(u8)]
diff --git a/src/processor/mine.rs b/src/processor/mine.rs
index 0898d9e..ed91db2 100644
--- a/src/processor/mine.rs
+++ b/src/processor/mine.rs
@@ -5,6 +5,7 @@ use solana_program::{
     clock::Clock,
     entrypoint::ProgramResult,
     keccak::{hashv, Hash as KeccakHash},
+    program::set_return_data,
     program_error::ProgramError,
     program_memory::sol_memcmp,
     pubkey::Pubkey,
@@ -76,7 +77,8 @@ pub fn process_mine<'a, 'info>(
     proof.total_hashes = proof.total_hashes.saturating_add(1);
     proof.total_rewards = proof.total_rewards.saturating_add(1);
 
-    // TODO Log?
+    // Set return data
+    set_return_data(treasury.reward_rate.to_le_bytes().as_slice());
 
     Ok(())
 }