diff --git a/nimbus/p2p/executor/process_block.nim b/nimbus/p2p/executor/process_block.nim
index 79338066b..c7d2935de 100644
--- a/nimbus/p2p/executor/process_block.nim
+++ b/nimbus/p2p/executor/process_block.nim
@@ -139,7 +139,8 @@ proc processBlockNotPoA*(
   if not vmState.procBlkPreamble(header, body):
     return ValidationResult.Error
 
-  vmState.calculateReward(header, body)
+  if not vmState.ttdReached: # EIP-3675: no reward for miner
+    vmState.calculateReward(header, body)
 
   if not vmState.procBlkEpilogue(header, body):
     return ValidationResult.Error
@@ -183,7 +184,10 @@ proc processBlock*(
   if not vmState.procBlkPreamble(header, body):
     return ValidationResult.Error
 
-  if not vmState.chainDB.config.poaEngine:
+  let disableReward = vmState.chainDB.config.poaEngine or
+                      vmState.ttdReached # EIP-3675: no reward for miner
+
+  if not disableReward:
     vmState.calculateReward(header, body)
 
   if not vmState.procBlkEpilogue(header, body):
diff --git a/nimbus/utils/tx_pool/tx_tasks/tx_packer.nim b/nimbus/utils/tx_pool/tx_tasks/tx_packer.nim
index ce8a65ce7..b0bae3ec4 100644
--- a/nimbus/utils/tx_pool/tx_tasks/tx_packer.nim
+++ b/nimbus/utils/tx_pool/tx_tasks/tx_packer.nim
@@ -220,8 +220,10 @@ proc vmExecCommit(pst: TxPackerStateRef)
   let
     xp = pst.xp
     vmState = xp.chain.vmState
+    disableReward = vmState.chainDB.config.poaEngine or
+                    vmState.ttdReached # EIP-3675: no reward for miner
 
-  if not vmState.chainDB.config.poaEngine:
+  if not disableReward:
     let
       number = xp.chain.head.blockNumber + 1
       uncles: seq[BlockHeader] = @[] # no uncles yet